Home / 977,867.91-1,349,460.81-542,316.33

Finding the Fourth Proportional to 977,867.91, 1,349,460.81 and 542,316.33

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Solution

The fourth proportional to 977,867.91, 1,349,460.81 and 542,316.33 is: 748,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,867.91 : 1,349,460.81 = 542,316.33 : x
  2. Step 2: Convert to fraction form
    977,867.91/1,349,460.81 = 542,316.33/x
  3. Step 3: Cross multiply
    977,867.91x = 1,349,460.81 × 542,316.33
  4. Step 4: Simplify right side
    977,867.91x = 731,834,633,958.03
  5. Step 5: Solve for x
    x = 731,834,633,958.03/977,867.91
  6. Step 6: Final answer
    x = 748,398.25

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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.