Home / 723,307.26-1,085,141.28-510,490.86

Finding the Fourth Proportional to 723,307.26, 1,085,141.28 and 510,490.86

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Solution

The fourth proportional to 723,307.26, 1,085,141.28 and 510,490.86 is: 765,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,307.26 : 1,085,141.28 = 510,490.86 : x
  2. Step 2: Convert to fraction form
    723,307.26/1,085,141.28 = 510,490.86/x
  3. Step 3: Cross multiply
    723,307.26x = 1,085,141.28 × 510,490.86
  4. Step 4: Simplify right side
    723,307.26x = 553,954,705,248.70
  5. Step 5: Solve for x
    x = 553,954,705,248.70/723,307.26
  6. Step 6: Final answer
    x = 765,863.60

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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.