Home / 709,848.98-1,063,075.98-409,418.78

Finding the Fourth Proportional to 709,848.98, 1,063,075.98 and 409,418.78

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Solution

The fourth proportional to 709,848.98, 1,063,075.98 and 409,418.78 is: 613,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,848.98 : 1,063,075.98 = 409,418.78 : x
  2. Step 2: Convert to fraction form
    709,848.98/1,063,075.98 = 409,418.78/x
  3. Step 3: Cross multiply
    709,848.98x = 1,063,075.98 × 409,418.78
  4. Step 4: Simplify right side
    709,848.98x = 435,243,270,778.90
  5. Step 5: Solve for x
    x = 435,243,270,778.90/709,848.98
  6. Step 6: Final answer
    x = 613,149.11

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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.