Home / 916,798.30-1,265,118.30-508,868.08

Finding the Fourth Proportional to 916,798.30, 1,265,118.30 and 508,868.08

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Solution

The fourth proportional to 916,798.30, 1,265,118.30 and 508,868.08 is: 702,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,798.30 : 1,265,118.30 = 508,868.08 : x
  2. Step 2: Convert to fraction form
    916,798.30/1,265,118.30 = 508,868.08/x
  3. Step 3: Cross multiply
    916,798.30x = 1,265,118.30 × 508,868.08
  4. Step 4: Simplify right side
    916,798.30x = 643,778,320,293.86
  5. Step 5: Solve for x
    x = 643,778,320,293.86/916,798.30
  6. Step 6: Final answer
    x = 702,202.79

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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.