Home / 950,566.40-1,425,849.60-285,718.40

Finding the Fourth Proportional to 950,566.40, 1,425,849.60 and 285,718.40

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Solution

The fourth proportional to 950,566.40, 1,425,849.60 and 285,718.40 is: 428,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,566.40 : 1,425,849.60 = 285,718.40 : x
  2. Step 2: Convert to fraction form
    950,566.40/1,425,849.60 = 285,718.40/x
  3. Step 3: Cross multiply
    950,566.40x = 1,425,849.60 × 285,718.40
  4. Step 4: Simplify right side
    950,566.40x = 407,391,466,352.64
  5. Step 5: Solve for x
    x = 407,391,466,352.64/950,566.40
  6. Step 6: Final answer
    x = 428,577.60

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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.