Home / 761,331.16-1,050,160.71-489,752.74

Finding the Fourth Proportional to 761,331.16, 1,050,160.71 and 489,752.74

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Solution

The fourth proportional to 761,331.16, 1,050,160.71 and 489,752.74 is: 675,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,331.16 : 1,050,160.71 = 489,752.74 : x
  2. Step 2: Convert to fraction form
    761,331.16/1,050,160.71 = 489,752.74/x
  3. Step 3: Cross multiply
    761,331.16x = 1,050,160.71 × 489,752.74
  4. Step 4: Simplify right side
    761,331.16x = 514,319,085,162.85
  5. Step 5: Solve for x
    x = 514,319,085,162.85/761,331.16
  6. Step 6: Final answer
    x = 675,552.39

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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.