Home / 536,036.72-738,983.40-438,901.52

Finding the Fourth Proportional to 536,036.72, 738,983.40 and 438,901.52

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Solution

The fourth proportional to 536,036.72, 738,983.40 and 438,901.52 is: 605,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,036.72 : 738,983.40 = 438,901.52 : x
  2. Step 2: Convert to fraction form
    536,036.72/738,983.40 = 438,901.52/x
  3. Step 3: Cross multiply
    536,036.72x = 738,983.40 × 438,901.52
  4. Step 4: Simplify right side
    536,036.72x = 324,340,937,514.77
  5. Step 5: Solve for x
    x = 324,340,937,514.77/536,036.72
  6. Step 6: Final answer
    x = 605,072.24

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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.