Home / 972,442.10-1,342,145.78-580,000.24

Finding the Fourth Proportional to 972,442.10, 1,342,145.78 and 580,000.24

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Solution

The fourth proportional to 972,442.10, 1,342,145.78 and 580,000.24 is: 800,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,442.10 : 1,342,145.78 = 580,000.24 : x
  2. Step 2: Convert to fraction form
    972,442.10/1,342,145.78 = 580,000.24/x
  3. Step 3: Cross multiply
    972,442.10x = 1,342,145.78 × 580,000.24
  4. Step 4: Simplify right side
    972,442.10x = 778,444,874,514.99
  5. Step 5: Solve for x
    x = 778,444,874,514.99/972,442.10
  6. Step 6: Final answer
    x = 800,505.11

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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.