Home / 910,888.68-1,257,018.20-502,981.73

Finding the Fourth Proportional to 910,888.68, 1,257,018.20 and 502,981.73

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Solution

The fourth proportional to 910,888.68, 1,257,018.20 and 502,981.73 is: 694,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,888.68 : 1,257,018.20 = 502,981.73 : x
  2. Step 2: Convert to fraction form
    910,888.68/1,257,018.20 = 502,981.73/x
  3. Step 3: Cross multiply
    910,888.68x = 1,257,018.20 × 502,981.73
  4. Step 4: Simplify right side
    910,888.68x = 632,257,180,077.49
  5. Step 5: Solve for x
    x = 632,257,180,077.49/910,888.68
  6. Step 6: Final answer
    x = 694,110.26

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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.