Home / 843,146.98-1,264,722.63-344,510.98

Finding the Fourth Proportional to 843,146.98, 1,264,722.63 and 344,510.98

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Solution

The fourth proportional to 843,146.98, 1,264,722.63 and 344,510.98 is: 516,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,146.98 : 1,264,722.63 = 344,510.98 : x
  2. Step 2: Convert to fraction form
    843,146.98/1,264,722.63 = 344,510.98/x
  3. Step 3: Cross multiply
    843,146.98x = 1,264,722.63 × 344,510.98
  4. Step 4: Simplify right side
    843,146.98x = 435,710,832,689.48
  5. Step 5: Solve for x
    x = 435,710,832,689.48/843,146.98
  6. Step 6: Final answer
    x = 516,767.35

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Double scale
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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.