Home / 765,658.49-1,056,590.75-426,119.45

Finding the Fourth Proportional to 765,658.49, 1,056,590.75 and 426,119.45

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Solution

The fourth proportional to 765,658.49, 1,056,590.75 and 426,119.45 is: 588,034.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,658.49 : 1,056,590.75 = 426,119.45 : x
  2. Step 2: Convert to fraction form
    765,658.49/1,056,590.75 = 426,119.45/x
  3. Step 3: Cross multiply
    765,658.49x = 1,056,590.75 × 426,119.45
  4. Step 4: Simplify right side
    765,658.49x = 450,233,867,134.49
  5. Step 5: Solve for x
    x = 450,233,867,134.49/765,658.49
  6. Step 6: Final answer
    x = 588,034.84

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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.