Home / 961,302.72-1,442,820.76-512,397.48

Finding the Fourth Proportional to 961,302.72, 1,442,820.76 and 512,397.48

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Solution

The fourth proportional to 961,302.72, 1,442,820.76 and 512,397.48 is: 769,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,302.72 : 1,442,820.76 = 512,397.48 : x
  2. Step 2: Convert to fraction form
    961,302.72/1,442,820.76 = 512,397.48/x
  3. Step 3: Cross multiply
    961,302.72x = 1,442,820.76 × 512,397.48
  4. Step 4: Simplify right side
    961,302.72x = 739,297,721,515.69
  5. Step 5: Solve for x
    x = 739,297,721,515.69/961,302.72
  6. Step 6: Final answer
    x = 769,058.18

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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.