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Finding the Fourth Proportional to 570,417.84, 787,258.98 and 328,654.08

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Solution

The fourth proportional to 570,417.84, 787,258.98 and 328,654.08 is: 453,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,417.84 : 787,258.98 = 328,654.08 : x
  2. Step 2: Convert to fraction form
    570,417.84/787,258.98 = 328,654.08/x
  3. Step 3: Cross multiply
    570,417.84x = 787,258.98 × 328,654.08
  4. Step 4: Simplify right side
    570,417.84x = 258,735,875,793.64
  5. Step 5: Solve for x
    x = 258,735,875,793.64/570,417.84
  6. Step 6: Final answer
    x = 453,590.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.