Home / 918,006.95-1,266,824.43-510,098.28

Finding the Fourth Proportional to 918,006.95, 1,266,824.43 and 510,098.28

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Solution

The fourth proportional to 918,006.95, 1,266,824.43 and 510,098.28 is: 703,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,006.95 : 1,266,824.43 = 510,098.28 : x
  2. Step 2: Convert to fraction form
    918,006.95/1,266,824.43 = 510,098.28/x
  3. Step 3: Cross multiply
    918,006.95x = 1,266,824.43 × 510,098.28
  4. Step 4: Simplify right side
    918,006.95x = 646,204,962,804.98
  5. Step 5: Solve for x
    x = 646,204,962,804.98/918,006.95
  6. Step 6: Final answer
    x = 703,921.65

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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.