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Finding the Fourth Proportional to 560,471.12, 773,450.16 and 359,267.12

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Solution

The fourth proportional to 560,471.12, 773,450.16 and 359,267.12 is: 495,788.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,471.12 : 773,450.16 = 359,267.12 : x
  2. Step 2: Convert to fraction form
    560,471.12/773,450.16 = 359,267.12/x
  3. Step 3: Cross multiply
    560,471.12x = 773,450.16 × 359,267.12
  4. Step 4: Simplify right side
    560,471.12x = 277,875,211,446.74
  5. Step 5: Solve for x
    x = 277,875,211,446.74/560,471.12
  6. Step 6: Final answer
    x = 495,788.63

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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.