Home / 739,234.81-1,020,142.65-416,943.91

Finding the Fourth Proportional to 739,234.81, 1,020,142.65 and 416,943.91

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Solution

The fourth proportional to 739,234.81, 1,020,142.65 and 416,943.91 is: 575,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,234.81 : 1,020,142.65 = 416,943.91 : x
  2. Step 2: Convert to fraction form
    739,234.81/1,020,142.65 = 416,943.91/x
  3. Step 3: Cross multiply
    739,234.81x = 1,020,142.65 × 416,943.91
  4. Step 4: Simplify right side
    739,234.81x = 425,342,265,248.76
  5. Step 5: Solve for x
    x = 425,342,265,248.76/739,234.81
  6. Step 6: Final answer
    x = 575,381.81

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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.