Home / 910,657.57-1,256,709.32-502,760.20

Finding the Fourth Proportional to 910,657.57, 1,256,709.32 and 502,760.20

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Solution

The fourth proportional to 910,657.57, 1,256,709.32 and 502,760.20 is: 693,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,657.57 : 1,256,709.32 = 502,760.20 : x
  2. Step 2: Convert to fraction form
    910,657.57/1,256,709.32 = 502,760.20/x
  3. Step 3: Cross multiply
    910,657.57x = 1,256,709.32 × 502,760.20
  4. Step 4: Simplify right side
    910,657.57x = 631,823,432,245.93
  5. Step 5: Solve for x
    x = 631,823,432,245.93/910,657.57
  6. Step 6: Final answer
    x = 693,810.11

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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.