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Finding the Fourth Proportional to 584,005.32, 805,854.15 and 342,232.47

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Solution

The fourth proportional to 584,005.32, 805,854.15 and 342,232.47 is: 472,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,005.32 : 805,854.15 = 342,232.47 : x
  2. Step 2: Convert to fraction form
    584,005.32/805,854.15 = 342,232.47/x
  3. Step 3: Cross multiply
    584,005.32x = 805,854.15 × 342,232.47
  4. Step 4: Simplify right side
    584,005.32x = 275,789,456,214.25
  5. Step 5: Solve for x
    x = 275,789,456,214.25/584,005.32
  6. Step 6: Final answer
    x = 472,237.92

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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.