Home / 960,075.18-1,440,107.56-391,454.07

Finding the Fourth Proportional to 960,075.18, 1,440,107.56 and 391,454.07

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Solution

The fourth proportional to 960,075.18, 1,440,107.56 and 391,454.07 is: 587,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,075.18 : 1,440,107.56 = 391,454.07 : x
  2. Step 2: Convert to fraction form
    960,075.18/1,440,107.56 = 391,454.07/x
  3. Step 3: Cross multiply
    960,075.18x = 1,440,107.56 × 391,454.07
  4. Step 4: Simplify right side
    960,075.18x = 563,735,965,599.77
  5. Step 5: Solve for x
    x = 563,735,965,599.77/960,075.18
  6. Step 6: Final answer
    x = 587,178.98

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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.