Home / 761,342.42-1,050,176.82-489,764

Finding the Fourth Proportional to 761,342.42, 1,050,176.82 and 489,764

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Solution

The fourth proportional to 761,342.42, 1,050,176.82 and 489,764 is: 675,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,342.42 : 1,050,176.82 = 489,764 : x
  2. Step 2: Convert to fraction form
    761,342.42/1,050,176.82 = 489,764/x
  3. Step 3: Cross multiply
    761,342.42x = 1,050,176.82 × 489,764
  4. Step 4: Simplify right side
    761,342.42x = 514,338,800,070.48
  5. Step 5: Solve for x
    x = 514,338,800,070.48/761,342.42
  6. Step 6: Final answer
    x = 675,568.29

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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.