Home / 972,441.60-1,342,145.09-579,999.74

Finding the Fourth Proportional to 972,441.60, 1,342,145.09 and 579,999.74

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Solution

The fourth proportional to 972,441.60, 1,342,145.09 and 579,999.74 is: 800,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,441.60 : 1,342,145.09 = 579,999.74 : x
  2. Step 2: Convert to fraction form
    972,441.60/1,342,145.09 = 579,999.74/x
  3. Step 3: Cross multiply
    972,441.60x = 1,342,145.09 × 579,999.74
  4. Step 4: Simplify right side
    972,441.60x = 778,443,800,342.28
  5. Step 5: Solve for x
    x = 778,443,800,342.28/972,441.60
  6. Step 6: Final answer
    x = 800,504.42

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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.