Home / 759,916.98-1,139,454.27-310,952.61

Finding the Fourth Proportional to 759,916.98, 1,139,454.27 and 310,952.61

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Solution

The fourth proportional to 759,916.98, 1,139,454.27 and 310,952.61 is: 466,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,916.98 : 1,139,454.27 = 310,952.61 : x
  2. Step 2: Convert to fraction form
    759,916.98/1,139,454.27 = 310,952.61/x
  3. Step 3: Cross multiply
    759,916.98x = 1,139,454.27 × 310,952.61
  4. Step 4: Simplify right side
    759,916.98x = 354,316,279,232.15
  5. Step 5: Solve for x
    x = 354,316,279,232.15/759,916.98
  6. Step 6: Final answer
    x = 466,256.56

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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.