Home / 887,631.65-1,331,418.32-355,009.67

Finding the Fourth Proportional to 887,631.65, 1,331,418.32 and 355,009.67

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Solution

The fourth proportional to 887,631.65, 1,331,418.32 and 355,009.67 is: 532,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,631.65 : 1,331,418.32 = 355,009.67 : x
  2. Step 2: Convert to fraction form
    887,631.65/1,331,418.32 = 355,009.67/x
  3. Step 3: Cross multiply
    887,631.65x = 1,331,418.32 × 355,009.67
  4. Step 4: Simplify right side
    887,631.65x = 472,666,376,640.11
  5. Step 5: Solve for x
    x = 472,666,376,640.11/887,631.65
  6. Step 6: Final answer
    x = 532,502.84

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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.