Home / 875,113.70-1,312,670.55-314,075.30

Finding the Fourth Proportional to 875,113.70, 1,312,670.55 and 314,075.30

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Solution

The fourth proportional to 875,113.70, 1,312,670.55 and 314,075.30 is: 471,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,113.70 : 1,312,670.55 = 314,075.30 : x
  2. Step 2: Convert to fraction form
    875,113.70/1,312,670.55 = 314,075.30/x
  3. Step 3: Cross multiply
    875,113.70x = 1,312,670.55 × 314,075.30
  4. Step 4: Simplify right side
    875,113.70x = 412,277,396,792.42
  5. Step 5: Solve for x
    x = 412,277,396,792.42/875,113.70
  6. Step 6: Final answer
    x = 471,112.95

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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.