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Finding the Fourth Proportional to 870,030.60, 1,304,009.10 and 364,590.60

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Solution

The fourth proportional to 870,030.60, 1,304,009.10 and 364,590.60 is: 546,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,030.60 : 1,304,009.10 = 364,590.60 : x
  2. Step 2: Convert to fraction form
    870,030.60/1,304,009.10 = 364,590.60/x
  3. Step 3: Cross multiply
    870,030.60x = 1,304,009.10 × 364,590.60
  4. Step 4: Simplify right side
    870,030.60x = 475,429,460,174.46
  5. Step 5: Solve for x
    x = 475,429,460,174.46/870,030.60
  6. Step 6: Final answer
    x = 546,451.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.