Home / 757,944.34-1,045,935.76-418,405.30

Finding the Fourth Proportional to 757,944.34, 1,045,935.76 and 418,405.30

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Solution

The fourth proportional to 757,944.34, 1,045,935.76 and 418,405.30 is: 577,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,944.34 : 1,045,935.76 = 418,405.30 : x
  2. Step 2: Convert to fraction form
    757,944.34/1,045,935.76 = 418,405.30/x
  3. Step 3: Cross multiply
    757,944.34x = 1,045,935.76 × 418,405.30
  4. Step 4: Simplify right side
    757,944.34x = 437,625,065,443.53
  5. Step 5: Solve for x
    x = 437,625,065,443.53/757,944.34
  6. Step 6: Final answer
    x = 577,384.17

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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.