Home / 712,444.40-1,070,221.80-502,492.40

Finding the Fourth Proportional to 712,444.40, 1,070,221.80 and 502,492.40

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Solution

The fourth proportional to 712,444.40, 1,070,221.80 and 502,492.40 is: 754,835.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,444.40 : 1,070,221.80 = 502,492.40 : x
  2. Step 2: Convert to fraction form
    712,444.40/1,070,221.80 = 502,492.40/x
  3. Step 3: Cross multiply
    712,444.40x = 1,070,221.80 × 502,492.40
  4. Step 4: Simplify right side
    712,444.40x = 537,778,320,814.32
  5. Step 5: Solve for x
    x = 537,778,320,814.32/712,444.40
  6. Step 6: Final answer
    x = 754,835.49

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Double scale
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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.