Home / 890,417.26-1,335,687.72-357,938.56

Finding the Fourth Proportional to 890,417.26, 1,335,687.72 and 357,938.56

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Solution

The fourth proportional to 890,417.26, 1,335,687.72 and 357,938.56 is: 536,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,417.26 : 1,335,687.72 = 357,938.56 : x
  2. Step 2: Convert to fraction form
    890,417.26/1,335,687.72 = 357,938.56/x
  3. Step 3: Cross multiply
    890,417.26x = 1,335,687.72 × 357,938.56
  4. Step 4: Simplify right side
    890,417.26x = 478,094,139,106.48
  5. Step 5: Solve for x
    x = 478,094,139,106.48/890,417.26
  6. Step 6: Final answer
    x = 536,932.70

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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.