Home / 861,742.86-1,290,689.37-624,541.02

Finding the Fourth Proportional to 861,742.86, 1,290,689.37 and 624,541.02

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Solution

The fourth proportional to 861,742.86, 1,290,689.37 and 624,541.02 is: 935,416.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,742.86 : 1,290,689.37 = 624,541.02 : x
  2. Step 2: Convert to fraction form
    861,742.86/1,290,689.37 = 624,541.02/x
  3. Step 3: Cross multiply
    861,742.86x = 1,290,689.37 × 624,541.02
  4. Step 4: Simplify right side
    861,742.86x = 806,088,455,642.96
  5. Step 5: Solve for x
    x = 806,088,455,642.96/861,742.86
  6. Step 6: Final answer
    x = 935,416.46

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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.