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Finding the Fourth Proportional to 614,360.40, 847,714.60 and 342,368.68

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Solution

The fourth proportional to 614,360.40, 847,714.60 and 342,368.68 is: 472,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,360.40 : 847,714.60 = 342,368.68 : x
  2. Step 2: Convert to fraction form
    614,360.40/847,714.60 = 342,368.68/x
  3. Step 3: Cross multiply
    614,360.40x = 847,714.60 × 342,368.68
  4. Step 4: Simplify right side
    614,360.40x = 290,230,928,618.73
  5. Step 5: Solve for x
    x = 290,230,928,618.73/614,360.40
  6. Step 6: Final answer
    x = 472,411.52

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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.