Home / 761,262.03-1,050,066.45-489,683.97

Finding the Fourth Proportional to 761,262.03, 1,050,066.45 and 489,683.97

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Solution

The fourth proportional to 761,262.03, 1,050,066.45 and 489,683.97 is: 675,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,262.03 : 1,050,066.45 = 489,683.97 : x
  2. Step 2: Convert to fraction form
    761,262.03/1,050,066.45 = 489,683.97/x
  3. Step 3: Cross multiply
    761,262.03x = 1,050,066.45 × 489,683.97
  4. Step 4: Simplify right side
    761,262.03x = 514,200,707,999.81
  5. Step 5: Solve for x
    x = 514,200,707,999.81/761,262.03
  6. Step 6: Final answer
    x = 675,458.24

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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.