Home / 698,899.10-1,049,332.80-433,178.60

Finding the Fourth Proportional to 698,899.10, 1,049,332.80 and 433,178.60

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Solution

The fourth proportional to 698,899.10, 1,049,332.80 and 433,178.60 is: 650,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,899.10 : 1,049,332.80 = 433,178.60 : x
  2. Step 2: Convert to fraction form
    698,899.10/1,049,332.80 = 433,178.60/x
  3. Step 3: Cross multiply
    698,899.10x = 1,049,332.80 × 433,178.60
  4. Step 4: Simplify right side
    698,899.10x = 454,548,513,238.08
  5. Step 5: Solve for x
    x = 454,548,513,238.08/698,899.10
  6. Step 6: Final answer
    x = 650,377.88

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1.5x scale

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.