Home / 977,868.43-1,349,596.27-542,382.63

Finding the Fourth Proportional to 977,868.43, 1,349,596.27 and 542,382.63

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Solution

The fourth proportional to 977,868.43, 1,349,596.27 and 542,382.63 is: 748,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,868.43 : 1,349,596.27 = 542,382.63 : x
  2. Step 2: Convert to fraction form
    977,868.43/1,349,596.27 = 542,382.63/x
  3. Step 3: Cross multiply
    977,868.43x = 1,349,596.27 × 542,382.63
  4. Step 4: Simplify right side
    977,868.43x = 731,997,576,806.51
  5. Step 5: Solve for x
    x = 731,997,576,806.51/977,868.43
  6. Step 6: Final answer
    x = 748,564.48

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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.