Home / 730,627.20-1,095,940.80-553,480.20

Finding the Fourth Proportional to 730,627.20, 1,095,940.80 and 553,480.20

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Solution

The fourth proportional to 730,627.20, 1,095,940.80 and 553,480.20 is: 830,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,627.20 : 1,095,940.80 = 553,480.20 : x
  2. Step 2: Convert to fraction form
    730,627.20/1,095,940.80 = 553,480.20/x
  3. Step 3: Cross multiply
    730,627.20x = 1,095,940.80 × 553,480.20
  4. Step 4: Simplify right side
    730,627.20x = 606,581,533,172.16
  5. Step 5: Solve for x
    x = 606,581,533,172.16/730,627.20
  6. Step 6: Final answer
    x = 830,220.30

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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.