Home / 990,010.77-1,366,215.42-537,301.77

Finding the Fourth Proportional to 990,010.77, 1,366,215.42 and 537,301.77

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Solution

The fourth proportional to 990,010.77, 1,366,215.42 and 537,301.77 is: 741,476.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,010.77 : 1,366,215.42 = 537,301.77 : x
  2. Step 2: Convert to fraction form
    990,010.77/1,366,215.42 = 537,301.77/x
  3. Step 3: Cross multiply
    990,010.77x = 1,366,215.42 × 537,301.77
  4. Step 4: Simplify right side
    990,010.77x = 734,069,963,367.29
  5. Step 5: Solve for x
    x = 734,069,963,367.29/990,010.77
  6. Step 6: Final answer
    x = 741,476.75

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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.