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Finding the Fourth Proportional to 560,111.80, 773,023.72 and 342,275.67

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Solution

The fourth proportional to 560,111.80, 773,023.72 and 342,275.67 is: 472,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,111.80 : 773,023.72 = 342,275.67 : x
  2. Step 2: Convert to fraction form
    560,111.80/773,023.72 = 342,275.67/x
  3. Step 3: Cross multiply
    560,111.80x = 773,023.72 × 342,275.67
  4. Step 4: Simplify right side
    560,111.80x = 264,587,207,823.77
  5. Step 5: Solve for x
    x = 264,587,207,823.77/560,111.80
  6. Step 6: Final answer
    x = 472,382.85

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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.