Home / 739,243.68-1,020,314.40-467,138.40

Finding the Fourth Proportional to 739,243.68, 1,020,314.40 and 467,138.40

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Solution

The fourth proportional to 739,243.68, 1,020,314.40 and 467,138.40 is: 644,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,243.68 : 1,020,314.40 = 467,138.40 : x
  2. Step 2: Convert to fraction form
    739,243.68/1,020,314.40 = 467,138.40/x
  3. Step 3: Cross multiply
    739,243.68x = 1,020,314.40 × 467,138.40
  4. Step 4: Simplify right side
    739,243.68x = 476,628,036,312.96
  5. Step 5: Solve for x
    x = 476,628,036,312.96/739,243.68
  6. Step 6: Final answer
    x = 644,750.91

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Double scale
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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.