Home / 897,639.60-1,345,435.56-560,835.12

Finding the Fourth Proportional to 897,639.60, 1,345,435.56 and 560,835.12

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Solution

The fourth proportional to 897,639.60, 1,345,435.56 and 560,835.12 is: 840,613.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,639.60 : 1,345,435.56 = 560,835.12 : x
  2. Step 2: Convert to fraction form
    897,639.60/1,345,435.56 = 560,835.12/x
  3. Step 3: Cross multiply
    897,639.60x = 1,345,435.56 × 560,835.12
  4. Step 4: Simplify right side
    897,639.60x = 754,567,513,744.87
  5. Step 5: Solve for x
    x = 754,567,513,744.87/897,639.60
  6. Step 6: Final answer
    x = 840,613.00

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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.