Home / 992,964.78-1,370,291.34-540,259.02

Finding the Fourth Proportional to 992,964.78, 1,370,291.34 and 540,259.02

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Solution

The fourth proportional to 992,964.78, 1,370,291.34 and 540,259.02 is: 745,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,964.78 : 1,370,291.34 = 540,259.02 : x
  2. Step 2: Convert to fraction form
    992,964.78/1,370,291.34 = 540,259.02/x
  3. Step 3: Cross multiply
    992,964.78x = 1,370,291.34 × 540,259.02
  4. Step 4: Simplify right side
    992,964.78x = 740,312,256,462.89
  5. Step 5: Solve for x
    x = 740,312,256,462.89/992,964.78
  6. Step 6: Final answer
    x = 745,557.42

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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.