Home / 775,895.63-1,070,575.43-453,543.35

Finding the Fourth Proportional to 775,895.63, 1,070,575.43 and 453,543.35

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Solution

The fourth proportional to 775,895.63, 1,070,575.43 and 453,543.35 is: 625,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,895.63 : 1,070,575.43 = 453,543.35 : x
  2. Step 2: Convert to fraction form
    775,895.63/1,070,575.43 = 453,543.35/x
  3. Step 3: Cross multiply
    775,895.63x = 1,070,575.43 × 453,543.35
  4. Step 4: Simplify right side
    775,895.63x = 485,552,359,329.30
  5. Step 5: Solve for x
    x = 485,552,359,329.30/775,895.63
  6. Step 6: Final answer
    x = 625,795.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.