Home / 762,053.40-1,051,618.14-422,514.36

Finding the Fourth Proportional to 762,053.40, 1,051,618.14 and 422,514.36

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Solution

The fourth proportional to 762,053.40, 1,051,618.14 and 422,514.36 is: 583,061.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,053.40 : 1,051,618.14 = 422,514.36 : x
  2. Step 2: Convert to fraction form
    762,053.40/1,051,618.14 = 422,514.36/x
  3. Step 3: Cross multiply
    762,053.40x = 1,051,618.14 × 422,514.36
  4. Step 4: Simplify right side
    762,053.40x = 444,323,765,386.49
  5. Step 5: Solve for x
    x = 444,323,765,386.49/762,053.40
  6. Step 6: Final answer
    x = 583,061.19

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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.