Home / 698,017.32-1,044,959.27-430,919.01

Finding the Fourth Proportional to 698,017.32, 1,044,959.27 and 430,919.01

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Solution

The fourth proportional to 698,017.32, 1,044,959.27 and 430,919.01 is: 645,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,017.32 : 1,044,959.27 = 430,919.01 : x
  2. Step 2: Convert to fraction form
    698,017.32/1,044,959.27 = 430,919.01/x
  3. Step 3: Cross multiply
    698,017.32x = 1,044,959.27 × 430,919.01
  4. Step 4: Simplify right side
    698,017.32x = 450,292,811,964.13
  5. Step 5: Solve for x
    x = 450,292,811,964.13/698,017.32
  6. Step 6: Final answer
    x = 645,102.63

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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.