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Finding the Fourth Proportional to 482,853.60, 724,280.40 and 358,437.60

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Solution

The fourth proportional to 482,853.60, 724,280.40 and 358,437.60 is: 537,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,853.60 : 724,280.40 = 358,437.60 : x
  2. Step 2: Convert to fraction form
    482,853.60/724,280.40 = 358,437.60/x
  3. Step 3: Cross multiply
    482,853.60x = 724,280.40 × 358,437.60
  4. Step 4: Simplify right side
    482,853.60x = 259,609,328,303.04
  5. Step 5: Solve for x
    x = 259,609,328,303.04/482,853.60
  6. Step 6: Final answer
    x = 537,656.40

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