Home / 659,931.74-910,706.38-358,125.74

Finding the Fourth Proportional to 659,931.74, 910,706.38 and 358,125.74

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Solution

The fourth proportional to 659,931.74, 910,706.38 and 358,125.74 is: 494,213.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,931.74 : 910,706.38 = 358,125.74 : x
  2. Step 2: Convert to fraction form
    659,931.74/910,706.38 = 358,125.74/x
  3. Step 3: Cross multiply
    659,931.74x = 910,706.38 × 358,125.74
  4. Step 4: Simplify right side
    659,931.74x = 326,147,390,811.38
  5. Step 5: Solve for x
    x = 326,147,390,811.38/659,931.74
  6. Step 6: Final answer
    x = 494,213.83

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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.