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Finding the Fourth Proportional to 703,729.58, 971,250.59 and 445,630.10

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Solution

The fourth proportional to 703,729.58, 971,250.59 and 445,630.10 is: 615,035.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,729.58 : 971,250.59 = 445,630.10 : x
  2. Step 2: Convert to fraction form
    703,729.58/971,250.59 = 445,630.10/x
  3. Step 3: Cross multiply
    703,729.58x = 971,250.59 × 445,630.10
  4. Step 4: Simplify right side
    703,729.58x = 432,818,495,118.63
  5. Step 5: Solve for x
    x = 432,818,495,118.63/703,729.58
  6. Step 6: Final answer
    x = 615,035.24

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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.