Home / 905,344.68-1,249,484.28-542,967.90

Finding the Fourth Proportional to 905,344.68, 1,249,484.28 and 542,967.90

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Solution

The fourth proportional to 905,344.68, 1,249,484.28 and 542,967.90 is: 749,360.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,344.68 : 1,249,484.28 = 542,967.90 : x
  2. Step 2: Convert to fraction form
    905,344.68/1,249,484.28 = 542,967.90/x
  3. Step 3: Cross multiply
    905,344.68x = 1,249,484.28 × 542,967.90
  4. Step 4: Simplify right side
    905,344.68x = 678,429,855,594.61
  5. Step 5: Solve for x
    x = 678,429,855,594.61/905,344.68
  6. Step 6: Final answer
    x = 749,360.85

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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.