Home / 790,151.76-1,090,401.12-427,567.68

Finding the Fourth Proportional to 790,151.76, 1,090,401.12 and 427,567.68

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Solution

The fourth proportional to 790,151.76, 1,090,401.12 and 427,567.68 is: 590,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,151.76 : 1,090,401.12 = 427,567.68 : x
  2. Step 2: Convert to fraction form
    790,151.76/1,090,401.12 = 427,567.68/x
  3. Step 3: Cross multiply
    790,151.76x = 1,090,401.12 × 427,567.68
  4. Step 4: Simplify right side
    790,151.76x = 466,220,277,147.80
  5. Step 5: Solve for x
    x = 466,220,277,147.80/790,151.76
  6. Step 6: Final answer
    x = 590,038.90

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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.