Home / 740,753.74-1,110,272.88-340,554.61

Finding the Fourth Proportional to 740,753.74, 1,110,272.88 and 340,554.61

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Solution

The fourth proportional to 740,753.74, 1,110,272.88 and 340,554.61 is: 510,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,753.74 : 1,110,272.88 = 340,554.61 : x
  2. Step 2: Convert to fraction form
    740,753.74/1,110,272.88 = 340,554.61/x
  3. Step 3: Cross multiply
    740,753.74x = 1,110,272.88 × 340,554.61
  4. Step 4: Simplify right side
    740,753.74x = 378,108,547,641.98
  5. Step 5: Solve for x
    x = 378,108,547,641.98/740,753.74
  6. Step 6: Final answer
    x = 510,437.58

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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.