Home / 990,069.60-1,366,295.76-537,360.48

Finding the Fourth Proportional to 990,069.60, 1,366,295.76 and 537,360.48

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Solution

The fourth proportional to 990,069.60, 1,366,295.76 and 537,360.48 is: 741,557.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,069.60 : 1,366,295.76 = 537,360.48 : x
  2. Step 2: Convert to fraction form
    990,069.60/1,366,295.76 = 537,360.48/x
  3. Step 3: Cross multiply
    990,069.60x = 1,366,295.76 × 537,360.48
  4. Step 4: Simplify right side
    990,069.60x = 734,193,345,415.57
  5. Step 5: Solve for x
    x = 734,193,345,415.57/990,069.60
  6. Step 6: Final answer
    x = 741,557.31

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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.