Home / 732,411.88-1,097,730.54-310,802.20

Finding the Fourth Proportional to 732,411.88, 1,097,730.54 and 310,802.20

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Solution

The fourth proportional to 732,411.88, 1,097,730.54 and 310,802.20 is: 465,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,411.88 : 1,097,730.54 = 310,802.20 : x
  2. Step 2: Convert to fraction form
    732,411.88/1,097,730.54 = 310,802.20/x
  3. Step 3: Cross multiply
    732,411.88x = 1,097,730.54 × 310,802.20
  4. Step 4: Simplify right side
    732,411.88x = 341,177,066,839.19
  5. Step 5: Solve for x
    x = 341,177,066,839.19/732,411.88
  6. Step 6: Final answer
    x = 465,826.78

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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.