Home / 558,588.38-837,226.47-258,434.93

Finding the Fourth Proportional to 558,588.38, 837,226.47 and 258,434.93

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Solution

The fourth proportional to 558,588.38, 837,226.47 and 258,434.93 is: 387,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,588.38 : 837,226.47 = 258,434.93 : x
  2. Step 2: Convert to fraction form
    558,588.38/837,226.47 = 258,434.93/x
  3. Step 3: Cross multiply
    558,588.38x = 837,226.47 × 258,434.93
  4. Step 4: Simplify right side
    558,588.38x = 216,368,564,168.60
  5. Step 5: Solve for x
    x = 216,368,564,168.60/558,588.38
  6. Step 6: Final answer
    x = 387,348.85

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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.