Home / 658,075.19-908,162.38-371,638.33

Finding the Fourth Proportional to 658,075.19, 908,162.38 and 371,638.33

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Solution

The fourth proportional to 658,075.19, 908,162.38 and 371,638.33 is: 512,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,075.19 : 908,162.38 = 371,638.33 : x
  2. Step 2: Convert to fraction form
    658,075.19/908,162.38 = 371,638.33/x
  3. Step 3: Cross multiply
    658,075.19x = 908,162.38 × 371,638.33
  4. Step 4: Simplify right side
    658,075.19x = 337,507,948,466.17
  5. Step 5: Solve for x
    x = 337,507,948,466.17/658,075.19
  6. Step 6: Final answer
    x = 512,871.41

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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.