Home / 771,585.60-1,158,125.40-372,506.40

Finding the Fourth Proportional to 771,585.60, 1,158,125.40 and 372,506.40

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Solution

The fourth proportional to 771,585.60, 1,158,125.40 and 372,506.40 is: 559,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,585.60 : 1,158,125.40 = 372,506.40 : x
  2. Step 2: Convert to fraction form
    771,585.60/1,158,125.40 = 372,506.40/x
  3. Step 3: Cross multiply
    771,585.60x = 1,158,125.40 × 372,506.40
  4. Step 4: Simplify right side
    771,585.60x = 431,409,123,502.56
  5. Step 5: Solve for x
    x = 431,409,123,502.56/771,585.60
  6. Step 6: Final answer
    x = 559,120.24

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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.