Home / 865,501.35-1,298,251.85-360,052.71

Finding the Fourth Proportional to 865,501.35, 1,298,251.85 and 360,052.71

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Solution

The fourth proportional to 865,501.35, 1,298,251.85 and 360,052.71 is: 540,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,501.35 : 1,298,251.85 = 360,052.71 : x
  2. Step 2: Convert to fraction form
    865,501.35/1,298,251.85 = 360,052.71/x
  3. Step 3: Cross multiply
    865,501.35x = 1,298,251.85 × 360,052.71
  4. Step 4: Simplify right side
    865,501.35x = 467,439,095,054.75
  5. Step 5: Solve for x
    x = 467,439,095,054.75/865,501.35
  6. Step 6: Final answer
    x = 540,078.99

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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.