Home / 712,450.40-1,070,230.80-502,498.40

Finding the Fourth Proportional to 712,450.40, 1,070,230.80 and 502,498.40

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Solution

The fourth proportional to 712,450.40, 1,070,230.80 and 502,498.40 is: 754,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,450.40 : 1,070,230.80 = 502,498.40 : x
  2. Step 2: Convert to fraction form
    712,450.40/1,070,230.80 = 502,498.40/x
  3. Step 3: Cross multiply
    712,450.40x = 1,070,230.80 × 502,498.40
  4. Step 4: Simplify right side
    712,450.40x = 537,789,264,630.72
  5. Step 5: Solve for x
    x = 537,789,264,630.72/712,450.40
  6. Step 6: Final answer
    x = 754,844.50

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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.