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Finding the Fourth Proportional to 614,323.20, 847,750.40 and 342,392.32

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Solution

The fourth proportional to 614,323.20, 847,750.40 and 342,392.32 is: 472,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,323.20 : 847,750.40 = 342,392.32 : x
  2. Step 2: Convert to fraction form
    614,323.20/847,750.40 = 342,392.32/x
  3. Step 3: Cross multiply
    614,323.20x = 847,750.40 × 342,392.32
  4. Step 4: Simplify right side
    614,323.20x = 290,263,226,236.93
  5. Step 5: Solve for x
    x = 290,263,226,236.93/614,323.20
  6. Step 6: Final answer
    x = 472,492.70

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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.