Home / 730,687.23-1,008,271.40-424,708.11

Finding the Fourth Proportional to 730,687.23, 1,008,271.40 and 424,708.11

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Solution

The fourth proportional to 730,687.23, 1,008,271.40 and 424,708.11 is: 586,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,687.23 : 1,008,271.40 = 424,708.11 : x
  2. Step 2: Convert to fraction form
    730,687.23/1,008,271.40 = 424,708.11/x
  3. Step 3: Cross multiply
    730,687.23x = 1,008,271.40 × 424,708.11
  4. Step 4: Simplify right side
    730,687.23x = 428,221,038,537.51
  5. Step 5: Solve for x
    x = 428,221,038,537.51/730,687.23
  6. Step 6: Final answer
    x = 586,052.45

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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.