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Finding the Fourth Proportional to 652,347.91, 900,633.78 and 426,387.07

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Solution

The fourth proportional to 652,347.91, 900,633.78 and 426,387.07 is: 588,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,347.91 : 900,633.78 = 426,387.07 : x
  2. Step 2: Convert to fraction form
    652,347.91/900,633.78 = 426,387.07/x
  3. Step 3: Cross multiply
    652,347.91x = 900,633.78 × 426,387.07
  4. Step 4: Simplify right side
    652,347.91x = 384,018,599,723.02
  5. Step 5: Solve for x
    x = 384,018,599,723.02/652,347.91
  6. Step 6: Final answer
    x = 588,671.46

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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.