Home / 916,591.70-1,264,910.19-508,719.83

Finding the Fourth Proportional to 916,591.70, 1,264,910.19 and 508,719.83

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Solution

The fourth proportional to 916,591.70, 1,264,910.19 and 508,719.83 is: 702,040.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,591.70 : 1,264,910.19 = 508,719.83 : x
  2. Step 2: Convert to fraction form
    916,591.70/1,264,910.19 = 508,719.83/x
  3. Step 3: Cross multiply
    916,591.70x = 1,264,910.19 × 508,719.83
  4. Step 4: Simplify right side
    916,591.70x = 643,484,896,822.07
  5. Step 5: Solve for x
    x = 643,484,896,822.07/916,591.70
  6. Step 6: Final answer
    x = 702,040.94

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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.