Home / 747,541.50-1,031,702.31-493,421.82

Finding the Fourth Proportional to 747,541.50, 1,031,702.31 and 493,421.82

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Solution

The fourth proportional to 747,541.50, 1,031,702.31 and 493,421.82 is: 680,984.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,541.50 : 1,031,702.31 = 493,421.82 : x
  2. Step 2: Convert to fraction form
    747,541.50/1,031,702.31 = 493,421.82/x
  3. Step 3: Cross multiply
    747,541.50x = 1,031,702.31 × 493,421.82
  4. Step 4: Simplify right side
    747,541.50x = 509,064,431,498.40
  5. Step 5: Solve for x
    x = 509,064,431,498.40/747,541.50
  6. Step 6: Final answer
    x = 680,984.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.