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Finding the Fourth Proportional to 478,591.93, 660,458.07 and 260,802.27

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Solution

The fourth proportional to 478,591.93, 660,458.07 and 260,802.27 is: 359,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,591.93 : 660,458.07 = 260,802.27 : x
  2. Step 2: Convert to fraction form
    478,591.93/660,458.07 = 260,802.27/x
  3. Step 3: Cross multiply
    478,591.93x = 660,458.07 × 260,802.27
  4. Step 4: Simplify right side
    478,591.93x = 172,248,963,895.82
  5. Step 5: Solve for x
    x = 172,248,963,895.82/478,591.93
  6. Step 6: Final answer
    x = 359,907.79

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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.