Home / 891,709.16-1,337,282.76-292,530.69

Finding the Fourth Proportional to 891,709.16, 1,337,282.76 and 292,530.69

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Solution

The fourth proportional to 891,709.16, 1,337,282.76 and 292,530.69 is: 438,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,709.16 : 1,337,282.76 = 292,530.69 : x
  2. Step 2: Convert to fraction form
    891,709.16/1,337,282.76 = 292,530.69/x
  3. Step 3: Cross multiply
    891,709.16x = 1,337,282.76 × 292,530.69
  4. Step 4: Simplify right side
    891,709.16x = 391,196,248,507.90
  5. Step 5: Solve for x
    x = 391,196,248,507.90/891,709.16
  6. Step 6: Final answer
    x = 438,703.86

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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.