Home / 716,605.38-1,075,088.50-267,340.91

Finding the Fourth Proportional to 716,605.38, 1,075,088.50 and 267,340.91

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Solution

The fourth proportional to 716,605.38, 1,075,088.50 and 267,340.91 is: 401,078.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,605.38 : 1,075,088.50 = 267,340.91 : x
  2. Step 2: Convert to fraction form
    716,605.38/1,075,088.50 = 267,340.91/x
  3. Step 3: Cross multiply
    716,605.38x = 1,075,088.50 × 267,340.91
  4. Step 4: Simplify right side
    716,605.38x = 287,415,131,876.74
  5. Step 5: Solve for x
    x = 287,415,131,876.74/716,605.38
  6. Step 6: Final answer
    x = 401,078.67

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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.