Home / 560,070.72-772,828.86-342,388.92

Finding the Fourth Proportional to 560,070.72, 772,828.86 and 342,388.92

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Solution

The fourth proportional to 560,070.72, 772,828.86 and 342,388.92 is: 472,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,070.72 : 772,828.86 = 342,388.92 : x
  2. Step 2: Convert to fraction form
    560,070.72/772,828.86 = 342,388.92/x
  3. Step 3: Cross multiply
    560,070.72x = 772,828.86 × 342,388.92
  4. Step 4: Simplify right side
    560,070.72x = 264,608,038,720.23
  5. Step 5: Solve for x
    x = 264,608,038,720.23/560,070.72
  6. Step 6: Final answer
    x = 472,454.69

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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.