Home / 670,625.70-1,005,938.55-493,916.10

Finding the Fourth Proportional to 670,625.70, 1,005,938.55 and 493,916.10

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Solution

The fourth proportional to 670,625.70, 1,005,938.55 and 493,916.10 is: 740,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,625.70 : 1,005,938.55 = 493,916.10 : x
  2. Step 2: Convert to fraction form
    670,625.70/1,005,938.55 = 493,916.10/x
  3. Step 3: Cross multiply
    670,625.70x = 1,005,938.55 × 493,916.10
  4. Step 4: Simplify right side
    670,625.70x = 496,849,245,455.66
  5. Step 5: Solve for x
    x = 496,849,245,455.66/670,625.70
  6. Step 6: Final answer
    x = 740,874.15

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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.