Home / 815,492.42-1,125,382.14-452,916.21

Finding the Fourth Proportional to 815,492.42, 1,125,382.14 and 452,916.21

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Solution

The fourth proportional to 815,492.42, 1,125,382.14 and 452,916.21 is: 625,025.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,492.42 : 1,125,382.14 = 452,916.21 : x
  2. Step 2: Convert to fraction form
    815,492.42/1,125,382.14 = 452,916.21/x
  3. Step 3: Cross multiply
    815,492.42x = 1,125,382.14 × 452,916.21
  4. Step 4: Simplify right side
    815,492.42x = 509,703,813,650.49
  5. Step 5: Solve for x
    x = 509,703,813,650.49/815,492.42
  6. Step 6: Final answer
    x = 625,025.82

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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.