Home / 535,762.74-739,298.75-320,897.28

Finding the Fourth Proportional to 535,762.74, 739,298.75 and 320,897.28

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Solution

The fourth proportional to 535,762.74, 739,298.75 and 320,897.28 is: 442,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,762.74 : 739,298.75 = 320,897.28 : x
  2. Step 2: Convert to fraction form
    535,762.74/739,298.75 = 320,897.28/x
  3. Step 3: Cross multiply
    535,762.74x = 739,298.75 × 320,897.28
  4. Step 4: Simplify right side
    535,762.74x = 237,238,956,377.91
  5. Step 5: Solve for x
    x = 237,238,956,377.91/535,762.74
  6. Step 6: Final answer
    x = 442,806.00

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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.