Home / 747,607.10-1,031,661.51-408,055.10

Finding the Fourth Proportional to 747,607.10, 1,031,661.51 and 408,055.10

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Solution

The fourth proportional to 747,607.10, 1,031,661.51 and 408,055.10 is: 563,096.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,607.10 : 1,031,661.51 = 408,055.10 : x
  2. Step 2: Convert to fraction form
    747,607.10/1,031,661.51 = 408,055.10/x
  3. Step 3: Cross multiply
    747,607.10x = 1,031,661.51 × 408,055.10
  4. Step 4: Simplify right side
    747,607.10x = 420,974,740,629.20
  5. Step 5: Solve for x
    x = 420,974,740,629.20/747,607.10
  6. Step 6: Final answer
    x = 563,096.23

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.