Home / 964,899.80-1,447,349.70-433,458.80

Finding the Fourth Proportional to 964,899.80, 1,447,349.70 and 433,458.80

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Solution

The fourth proportional to 964,899.80, 1,447,349.70 and 433,458.80 is: 650,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,899.80 : 1,447,349.70 = 433,458.80 : x
  2. Step 2: Convert to fraction form
    964,899.80/1,447,349.70 = 433,458.80/x
  3. Step 3: Cross multiply
    964,899.80x = 1,447,349.70 × 433,458.80
  4. Step 4: Simplify right side
    964,899.80x = 627,366,464,142.36
  5. Step 5: Solve for x
    x = 627,366,464,142.36/964,899.80
  6. Step 6: Final answer
    x = 650,188.20

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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.