Home / 775,478.07-1,069,437.74-503,254.89

Finding the Fourth Proportional to 775,478.07, 1,069,437.74 and 503,254.89

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Solution

The fourth proportional to 775,478.07, 1,069,437.74 and 503,254.89 is: 694,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,478.07 : 1,069,437.74 = 503,254.89 : x
  2. Step 2: Convert to fraction form
    775,478.07/1,069,437.74 = 503,254.89/x
  3. Step 3: Cross multiply
    775,478.07x = 1,069,437.74 × 503,254.89
  4. Step 4: Simplify right side
    775,478.07x = 538,199,769,689.27
  5. Step 5: Solve for x
    x = 538,199,769,689.27/775,478.07
  6. Step 6: Final answer
    x = 694,023.20

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Double scale
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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.