Home / 907,804.20-1,361,706.30-410,140.20

Finding the Fourth Proportional to 907,804.20, 1,361,706.30 and 410,140.20

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Solution

The fourth proportional to 907,804.20, 1,361,706.30 and 410,140.20 is: 615,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,804.20 : 1,361,706.30 = 410,140.20 : x
  2. Step 2: Convert to fraction form
    907,804.20/1,361,706.30 = 410,140.20/x
  3. Step 3: Cross multiply
    907,804.20x = 1,361,706.30 × 410,140.20
  4. Step 4: Simplify right side
    907,804.20x = 558,490,494,223.26
  5. Step 5: Solve for x
    x = 558,490,494,223.26/907,804.20
  6. Step 6: Final answer
    x = 615,210.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.