Home / 877,600.45-1,211,437.47-550,826.20

Finding the Fourth Proportional to 877,600.45, 1,211,437.47 and 550,826.20

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Solution

The fourth proportional to 877,600.45, 1,211,437.47 and 550,826.20 is: 760,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,600.45 : 1,211,437.47 = 550,826.20 : x
  2. Step 2: Convert to fraction form
    877,600.45/1,211,437.47 = 550,826.20/x
  3. Step 3: Cross multiply
    877,600.45x = 1,211,437.47 × 550,826.20
  4. Step 4: Simplify right side
    877,600.45x = 667,291,498,137.71
  5. Step 5: Solve for x
    x = 667,291,498,137.71/877,600.45
  6. Step 6: Final answer
    x = 760,359.11

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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.