Home / 918,026.56-1,266,851.36-510,117.95

Finding the Fourth Proportional to 918,026.56, 1,266,851.36 and 510,117.95

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Solution

The fourth proportional to 918,026.56, 1,266,851.36 and 510,117.95 is: 703,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,026.56 : 1,266,851.36 = 510,117.95 : x
  2. Step 2: Convert to fraction form
    918,026.56/1,266,851.36 = 510,117.95/x
  3. Step 3: Cross multiply
    918,026.56x = 1,266,851.36 × 510,117.95
  4. Step 4: Simplify right side
    918,026.56x = 646,243,618,717.91
  5. Step 5: Solve for x
    x = 646,243,618,717.91/918,026.56
  6. Step 6: Final answer
    x = 703,948.72

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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.