Home / 905,559.84-1,249,399.71-542,851.29

Finding the Fourth Proportional to 905,559.84, 1,249,399.71 and 542,851.29

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Solution

The fourth proportional to 905,559.84, 1,249,399.71 and 542,851.29 is: 748,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,559.84 : 1,249,399.71 = 542,851.29 : x
  2. Step 2: Convert to fraction form
    905,559.84/1,249,399.71 = 542,851.29/x
  3. Step 3: Cross multiply
    905,559.84x = 1,249,399.71 × 542,851.29
  4. Step 4: Simplify right side
    905,559.84x = 678,238,244,299.13
  5. Step 5: Solve for x
    x = 678,238,244,299.13/905,559.84
  6. Step 6: Final answer
    x = 748,971.20

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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.