Home / 847,854.52-1,170,038.96-465,905.90

Finding the Fourth Proportional to 847,854.52, 1,170,038.96 and 465,905.90

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Solution

The fourth proportional to 847,854.52, 1,170,038.96 and 465,905.90 is: 642,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,854.52 : 1,170,038.96 = 465,905.90 : x
  2. Step 2: Convert to fraction form
    847,854.52/1,170,038.96 = 465,905.90/x
  3. Step 3: Cross multiply
    847,854.52x = 1,170,038.96 × 465,905.90
  4. Step 4: Simplify right side
    847,854.52x = 545,128,057,036.58
  5. Step 5: Solve for x
    x = 545,128,057,036.58/847,854.52
  6. Step 6: Final answer
    x = 642,949.99

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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.