Home / 981,282.09-1,470,962.15-549,210.55

Finding the Fourth Proportional to 981,282.09, 1,470,962.15 and 549,210.55

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Solution

The fourth proportional to 981,282.09, 1,470,962.15 and 549,210.55 is: 823,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,282.09 : 1,470,962.15 = 549,210.55 : x
  2. Step 2: Convert to fraction form
    981,282.09/1,470,962.15 = 549,210.55/x
  3. Step 3: Cross multiply
    981,282.09x = 1,470,962.15 × 549,210.55
  4. Step 4: Simplify right side
    981,282.09x = 807,867,931,430.68
  5. Step 5: Solve for x
    x = 807,867,931,430.68/981,282.09
  6. Step 6: Final answer
    x = 823,277.98

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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.