Home / 689,822.17-1,034,898.88-216,507.53

Finding the Fourth Proportional to 689,822.17, 1,034,898.88 and 216,507.53

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Solution

The fourth proportional to 689,822.17, 1,034,898.88 and 216,507.53 is: 324,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,822.17 : 1,034,898.88 = 216,507.53 : x
  2. Step 2: Convert to fraction form
    689,822.17/1,034,898.88 = 216,507.53/x
  3. Step 3: Cross multiply
    689,822.17x = 1,034,898.88 × 216,507.53
  4. Step 4: Simplify right side
    689,822.17x = 224,063,402,760.50
  5. Step 5: Solve for x
    x = 224,063,402,760.50/689,822.17
  6. Step 6: Final answer
    x = 324,813.28

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1.5x scale

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.