Home / 712,441.40-1,070,217.30-502,489.40

Finding the Fourth Proportional to 712,441.40, 1,070,217.30 and 502,489.40

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Solution

The fourth proportional to 712,441.40, 1,070,217.30 and 502,489.40 is: 754,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,441.40 : 1,070,217.30 = 502,489.40 : x
  2. Step 2: Convert to fraction form
    712,441.40/1,070,217.30 = 502,489.40/x
  3. Step 3: Cross multiply
    712,441.40x = 1,070,217.30 × 502,489.40
  4. Step 4: Simplify right side
    712,441.40x = 537,772,848,946.62
  5. Step 5: Solve for x
    x = 537,772,848,946.62/712,441.40
  6. Step 6: Final answer
    x = 754,830.99

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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.