Home / 730,828.80-1,096,243.20-478,886.40

Finding the Fourth Proportional to 730,828.80, 1,096,243.20 and 478,886.40

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Solution

The fourth proportional to 730,828.80, 1,096,243.20 and 478,886.40 is: 718,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,828.80 : 1,096,243.20 = 478,886.40 : x
  2. Step 2: Convert to fraction form
    730,828.80/1,096,243.20 = 478,886.40/x
  3. Step 3: Cross multiply
    730,828.80x = 1,096,243.20 × 478,886.40
  4. Step 4: Simplify right side
    730,828.80x = 524,975,959,572.48
  5. Step 5: Solve for x
    x = 524,975,959,572.48/730,828.80
  6. Step 6: Final answer
    x = 718,329.60

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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.