Home / 907,490.30-1,361,235.45-402,293.30

Finding the Fourth Proportional to 907,490.30, 1,361,235.45 and 402,293.30

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Solution

The fourth proportional to 907,490.30, 1,361,235.45 and 402,293.30 is: 603,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,490.30 : 1,361,235.45 = 402,293.30 : x
  2. Step 2: Convert to fraction form
    907,490.30/1,361,235.45 = 402,293.30/x
  3. Step 3: Cross multiply
    907,490.30x = 1,361,235.45 × 402,293.30
  4. Step 4: Simplify right side
    907,490.30x = 547,615,901,257.49
  5. Step 5: Solve for x
    x = 547,615,901,257.49/907,490.30
  6. Step 6: Final answer
    x = 603,439.95

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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.