Home / 910,140.50-1,255,992.90-502,242.24

Finding the Fourth Proportional to 910,140.50, 1,255,992.90 and 502,242.24

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Solution

The fourth proportional to 910,140.50, 1,255,992.90 and 502,242.24 is: 693,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,140.50 : 1,255,992.90 = 502,242.24 : x
  2. Step 2: Convert to fraction form
    910,140.50/1,255,992.90 = 502,242.24/x
  3. Step 3: Cross multiply
    910,140.50x = 1,255,992.90 × 502,242.24
  4. Step 4: Simplify right side
    910,140.50x = 630,812,687,520.10
  5. Step 5: Solve for x
    x = 630,812,687,520.10/910,140.50
  6. Step 6: Final answer
    x = 693,093.74

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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.