Home / 691,692.18-1,037,645.55-292,334.64

Finding the Fourth Proportional to 691,692.18, 1,037,645.55 and 292,334.64

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Solution

The fourth proportional to 691,692.18, 1,037,645.55 and 292,334.64 is: 438,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,692.18 : 1,037,645.55 = 292,334.64 : x
  2. Step 2: Convert to fraction form
    691,692.18/1,037,645.55 = 292,334.64/x
  3. Step 3: Cross multiply
    691,692.18x = 1,037,645.55 × 292,334.64
  4. Step 4: Simplify right side
    691,692.18x = 303,339,738,306.85
  5. Step 5: Solve for x
    x = 303,339,738,306.85/691,692.18
  6. Step 6: Final answer
    x = 438,547.30

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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.