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Finding the Fourth Proportional to 830,563, 1,246,052.58 and 239,587

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Solution

The fourth proportional to 830,563, 1,246,052.58 and 239,587 is: 359,440.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,563 : 1,246,052.58 = 239,587 : x
  2. Step 2: Convert to fraction form
    830,563/1,246,052.58 = 239,587/x
  3. Step 3: Cross multiply
    830,563x = 1,246,052.58 × 239,587
  4. Step 4: Simplify right side
    830,563x = 298,537,999,484.46
  5. Step 5: Solve for x
    x = 298,537,999,484.46/830,563
  6. Step 6: Final answer
    x = 359,440.52

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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.