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Finding the Fourth Proportional to 478,594.04, 660,451.25 and 260,804.61

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Solution

The fourth proportional to 478,594.04, 660,451.25 and 260,804.61 is: 359,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,594.04 : 660,451.25 = 260,804.61 : x
  2. Step 2: Convert to fraction form
    478,594.04/660,451.25 = 260,804.61/x
  3. Step 3: Cross multiply
    478,594.04x = 660,451.25 × 260,804.61
  4. Step 4: Simplify right side
    478,594.04x = 172,248,729,376.24
  5. Step 5: Solve for x
    x = 172,248,729,376.24/478,594.04
  6. Step 6: Final answer
    x = 359,905.72

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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.