Home / 790,136.95-1,090,381.39-427,552.87

Finding the Fourth Proportional to 790,136.95, 1,090,381.39 and 427,552.87

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Solution

The fourth proportional to 790,136.95, 1,090,381.39 and 427,552.87 is: 590,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,136.95 : 1,090,381.39 = 427,552.87 : x
  2. Step 2: Convert to fraction form
    790,136.95/1,090,381.39 = 427,552.87/x
  3. Step 3: Cross multiply
    790,136.95x = 1,090,381.39 × 427,552.87
  4. Step 4: Simplify right side
    790,136.95x = 466,195,692,689.09
  5. Step 5: Solve for x
    x = 466,195,692,689.09/790,136.95
  6. Step 6: Final answer
    x = 590,018.85

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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.