Home / 887,631.15-1,331,417.57-355,009.17

Finding the Fourth Proportional to 887,631.15, 1,331,417.57 and 355,009.17

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Solution

The fourth proportional to 887,631.15, 1,331,417.57 and 355,009.17 is: 532,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,631.15 : 1,331,417.57 = 355,009.17 : x
  2. Step 2: Convert to fraction form
    887,631.15/1,331,417.57 = 355,009.17/x
  3. Step 3: Cross multiply
    887,631.15x = 1,331,417.57 × 355,009.17
  4. Step 4: Simplify right side
    887,631.15x = 472,665,444,674.07
  5. Step 5: Solve for x
    x = 472,665,444,674.07/887,631.15
  6. Step 6: Final answer
    x = 532,502.09

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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.