Home / 922,916.20-1,384,374.30-425,252.20

Finding the Fourth Proportional to 922,916.20, 1,384,374.30 and 425,252.20

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Solution

The fourth proportional to 922,916.20, 1,384,374.30 and 425,252.20 is: 637,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,916.20 : 1,384,374.30 = 425,252.20 : x
  2. Step 2: Convert to fraction form
    922,916.20/1,384,374.30 = 425,252.20/x
  3. Step 3: Cross multiply
    922,916.20x = 1,384,374.30 × 425,252.20
  4. Step 4: Simplify right side
    922,916.20x = 588,708,216,698.46
  5. Step 5: Solve for x
    x = 588,708,216,698.46/922,916.20
  6. Step 6: Final answer
    x = 637,878.30

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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.