Home / 972,438.60-1,342,032.62-542,802.44

Finding the Fourth Proportional to 972,438.60, 1,342,032.62 and 542,802.44

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Solution

The fourth proportional to 972,438.60, 1,342,032.62 and 542,802.44 is: 749,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,438.60 : 1,342,032.62 = 542,802.44 : x
  2. Step 2: Convert to fraction form
    972,438.60/1,342,032.62 = 542,802.44/x
  3. Step 3: Cross multiply
    972,438.60x = 1,342,032.62 × 542,802.44
  4. Step 4: Simplify right side
    972,438.60x = 728,458,580,695.59
  5. Step 5: Solve for x
    x = 728,458,580,695.59/972,438.60
  6. Step 6: Final answer
    x = 749,104.96

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1.5x scale

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.