Home / 708,123.04-977,197.44-385,835.76

Finding the Fourth Proportional to 708,123.04, 977,197.44 and 385,835.76

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Solution

The fourth proportional to 708,123.04, 977,197.44 and 385,835.76 is: 532,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,123.04 : 977,197.44 = 385,835.76 : x
  2. Step 2: Convert to fraction form
    708,123.04/977,197.44 = 385,835.76/x
  3. Step 3: Cross multiply
    708,123.04x = 977,197.44 × 385,835.76
  4. Step 4: Simplify right side
    708,123.04x = 377,037,716,932.45
  5. Step 5: Solve for x
    x = 377,037,716,932.45/708,123.04
  6. Step 6: Final answer
    x = 532,446.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.