Home / 747,541-1,031,701.62-493,421.32

Finding the Fourth Proportional to 747,541, 1,031,701.62 and 493,421.32

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Solution

The fourth proportional to 747,541, 1,031,701.62 and 493,421.32 is: 680,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,541 : 1,031,701.62 = 493,421.32 : x
  2. Step 2: Convert to fraction form
    747,541/1,031,701.62 = 493,421.32/x
  3. Step 3: Cross multiply
    747,541x = 1,031,701.62 × 493,421.32
  4. Step 4: Simplify right side
    747,541x = 509,063,575,186.54
  5. Step 5: Solve for x
    x = 509,063,575,186.54/747,541
  6. Step 6: Final answer
    x = 680,984.15

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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.