Home / 723,316.28-1,085,154.80-510,499.88

Finding the Fourth Proportional to 723,316.28, 1,085,154.80 and 510,499.88

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Solution

The fourth proportional to 723,316.28, 1,085,154.80 and 510,499.88 is: 765,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,316.28 : 1,085,154.80 = 510,499.88 : x
  2. Step 2: Convert to fraction form
    723,316.28/1,085,154.80 = 510,499.88/x
  3. Step 3: Cross multiply
    723,316.28x = 1,085,154.80 × 510,499.88
  4. Step 4: Simplify right side
    723,316.28x = 553,971,395,181.42
  5. Step 5: Solve for x
    x = 553,971,395,181.42/723,316.28
  6. Step 6: Final answer
    x = 765,877.13

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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.