Home / 743,715.16-1,026,298.02-404,176.12

Finding the Fourth Proportional to 743,715.16, 1,026,298.02 and 404,176.12

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Solution

The fourth proportional to 743,715.16, 1,026,298.02 and 404,176.12 is: 557,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,715.16 : 1,026,298.02 = 404,176.12 : x
  2. Step 2: Convert to fraction form
    743,715.16/1,026,298.02 = 404,176.12/x
  3. Step 3: Cross multiply
    743,715.16x = 1,026,298.02 × 404,176.12
  4. Step 4: Simplify right side
    743,715.16x = 414,805,151,687.28
  5. Step 5: Solve for x
    x = 414,805,151,687.28/743,715.16
  6. Step 6: Final answer
    x = 557,747.34

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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.