Home / 835,443.09-1,253,254.95-266,624.91

Finding the Fourth Proportional to 835,443.09, 1,253,254.95 and 266,624.91

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Solution

The fourth proportional to 835,443.09, 1,253,254.95 and 266,624.91 is: 399,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,443.09 : 1,253,254.95 = 266,624.91 : x
  2. Step 2: Convert to fraction form
    835,443.09/1,253,254.95 = 266,624.91/x
  3. Step 3: Cross multiply
    835,443.09x = 1,253,254.95 × 266,624.91
  4. Step 4: Simplify right side
    835,443.09x = 334,148,988,250.80
  5. Step 5: Solve for x
    x = 334,148,988,250.80/835,443.09
  6. Step 6: Final answer
    x = 399,966.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.