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Finding the Fourth Proportional to 480,417.80, 662,964.89 and 265,552.34

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Solution

The fourth proportional to 480,417.80, 662,964.89 and 265,552.34 is: 366,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,417.80 : 662,964.89 = 265,552.34 : x
  2. Step 2: Convert to fraction form
    480,417.80/662,964.89 = 265,552.34/x
  3. Step 3: Cross multiply
    480,417.80x = 662,964.89 × 265,552.34
  4. Step 4: Simplify right side
    480,417.80x = 176,051,877,877.34
  5. Step 5: Solve for x
    x = 176,051,877,877.34/480,417.80
  6. Step 6: Final answer
    x = 366,455.78

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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.