Home / 960,075.68-1,440,108.32-391,454.58

Finding the Fourth Proportional to 960,075.68, 1,440,108.32 and 391,454.58

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Solution

The fourth proportional to 960,075.68, 1,440,108.32 and 391,454.58 is: 587,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,075.68 : 1,440,108.32 = 391,454.58 : x
  2. Step 2: Convert to fraction form
    960,075.68/1,440,108.32 = 391,454.58/x
  3. Step 3: Cross multiply
    960,075.68x = 1,440,108.32 × 391,454.58
  4. Step 4: Simplify right side
    960,075.68x = 563,736,995,602.83
  5. Step 5: Solve for x
    x = 563,736,995,602.83/960,075.68
  6. Step 6: Final answer
    x = 587,179.75

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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.