Home / 779,489.17-1,075,684.49-435,331.23

Finding the Fourth Proportional to 779,489.17, 1,075,684.49 and 435,331.23

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Solution

The fourth proportional to 779,489.17, 1,075,684.49 and 435,331.23 is: 600,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,489.17 : 1,075,684.49 = 435,331.23 : x
  2. Step 2: Convert to fraction form
    779,489.17/1,075,684.49 = 435,331.23/x
  3. Step 3: Cross multiply
    779,489.17x = 1,075,684.49 × 435,331.23
  4. Step 4: Simplify right side
    779,489.17x = 468,279,058,458.26
  5. Step 5: Solve for x
    x = 468,279,058,458.26/779,489.17
  6. Step 6: Final answer
    x = 600,751.20

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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.