Home / 916,028.45-1,264,139.55-508,117.04

Finding the Fourth Proportional to 916,028.45, 1,264,139.55 and 508,117.04

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Solution

The fourth proportional to 916,028.45, 1,264,139.55 and 508,117.04 is: 701,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,028.45 : 1,264,139.55 = 508,117.04 : x
  2. Step 2: Convert to fraction form
    916,028.45/1,264,139.55 = 508,117.04/x
  3. Step 3: Cross multiply
    916,028.45x = 1,264,139.55 × 508,117.04
  4. Step 4: Simplify right side
    916,028.45x = 642,330,839,972.23
  5. Step 5: Solve for x
    x = 642,330,839,972.23/916,028.45
  6. Step 6: Final answer
    x = 701,212.77

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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.