Home / 710,389.43-1,065,549.41-261,075.75

Finding the Fourth Proportional to 710,389.43, 1,065,549.41 and 261,075.75

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Solution

The fourth proportional to 710,389.43, 1,065,549.41 and 261,075.75 is: 391,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,389.43 : 1,065,549.41 = 261,075.75 : x
  2. Step 2: Convert to fraction form
    710,389.43/1,065,549.41 = 261,075.75/x
  3. Step 3: Cross multiply
    710,389.43x = 1,065,549.41 × 261,075.75
  4. Step 4: Simplify right side
    710,389.43x = 278,189,111,377.81
  5. Step 5: Solve for x
    x = 278,189,111,377.81/710,389.43
  6. Step 6: Final answer
    x = 391,600.86

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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.