Home / 558,895.68-771,382.32-317,200.89

Finding the Fourth Proportional to 558,895.68, 771,382.32 and 317,200.89

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Solution

The fourth proportional to 558,895.68, 771,382.32 and 317,200.89 is: 437,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,895.68 : 771,382.32 = 317,200.89 : x
  2. Step 2: Convert to fraction form
    558,895.68/771,382.32 = 317,200.89/x
  3. Step 3: Cross multiply
    558,895.68x = 771,382.32 × 317,200.89
  4. Step 4: Simplify right side
    558,895.68x = 244,683,158,434.27
  5. Step 5: Solve for x
    x = 244,683,158,434.27/558,895.68
  6. Step 6: Final answer
    x = 437,797.55

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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.