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Finding the Fourth Proportional to 467,602.90, 645,287.47 and 260,873.08

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Solution

The fourth proportional to 467,602.90, 645,287.47 and 260,873.08 is: 360,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,602.90 : 645,287.47 = 260,873.08 : x
  2. Step 2: Convert to fraction form
    467,602.90/645,287.47 = 260,873.08/x
  3. Step 3: Cross multiply
    467,602.90x = 645,287.47 × 260,873.08
  4. Step 4: Simplify right side
    467,602.90x = 168,338,127,518.91
  5. Step 5: Solve for x
    x = 168,338,127,518.91/467,602.90
  6. Step 6: Final answer
    x = 360,002.32

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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.