Home / 762,001.48-1,140,759.96-508,653.56

Finding the Fourth Proportional to 762,001.48, 1,140,759.96 and 508,653.56

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Solution

The fourth proportional to 762,001.48, 1,140,759.96 and 508,653.56 is: 761,483.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,001.48 : 1,140,759.96 = 508,653.56 : x
  2. Step 2: Convert to fraction form
    762,001.48/1,140,759.96 = 508,653.56/x
  3. Step 3: Cross multiply
    762,001.48x = 1,140,759.96 × 508,653.56
  4. Step 4: Simplify right side
    762,001.48x = 580,251,614,759.46
  5. Step 5: Solve for x
    x = 580,251,614,759.46/762,001.48
  6. Step 6: Final answer
    x = 761,483.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.