Home / 971,471.60-1,457,207.40-618,052.40

Finding the Fourth Proportional to 971,471.60, 1,457,207.40 and 618,052.40

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Solution

The fourth proportional to 971,471.60, 1,457,207.40 and 618,052.40 is: 927,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,471.60 : 1,457,207.40 = 618,052.40 : x
  2. Step 2: Convert to fraction form
    971,471.60/1,457,207.40 = 618,052.40/x
  3. Step 3: Cross multiply
    971,471.60x = 1,457,207.40 × 618,052.40
  4. Step 4: Simplify right side
    971,471.60x = 900,630,530,867.76
  5. Step 5: Solve for x
    x = 900,630,530,867.76/971,471.60
  6. Step 6: Final answer
    x = 927,078.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.