Home / 659,729.32-910,422.66-357,916.84

Finding the Fourth Proportional to 659,729.32, 910,422.66 and 357,916.84

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Solution

The fourth proportional to 659,729.32, 910,422.66 and 357,916.84 is: 493,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,729.32 : 910,422.66 = 357,916.84 : x
  2. Step 2: Convert to fraction form
    659,729.32/910,422.66 = 357,916.84/x
  3. Step 3: Cross multiply
    659,729.32x = 910,422.66 × 357,916.84
  4. Step 4: Simplify right side
    659,729.32x = 325,855,601,531.59
  5. Step 5: Solve for x
    x = 325,855,601,531.59/659,729.32
  6. Step 6: Final answer
    x = 493,923.18

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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.