Home / 926,915.28-1,390,898.88-500,445.42

Finding the Fourth Proportional to 926,915.28, 1,390,898.88 and 500,445.42

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Solution

The fourth proportional to 926,915.28, 1,390,898.88 and 500,445.42 is: 750,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,915.28 : 1,390,898.88 = 500,445.42 : x
  2. Step 2: Convert to fraction form
    926,915.28/1,390,898.88 = 500,445.42/x
  3. Step 3: Cross multiply
    926,915.28x = 1,390,898.88 × 500,445.42
  4. Step 4: Simplify right side
    926,915.28x = 696,068,974,179.13
  5. Step 5: Solve for x
    x = 696,068,974,179.13/926,915.28
  6. Step 6: Final answer
    x = 750,952.10

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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.