Home / 484,427.12-668,130.73-314,715.92

Finding the Fourth Proportional to 484,427.12, 668,130.73 and 314,715.92

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Solution

The fourth proportional to 484,427.12, 668,130.73 and 314,715.92 is: 434,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,427.12 : 668,130.73 = 314,715.92 : x
  2. Step 2: Convert to fraction form
    484,427.12/668,130.73 = 314,715.92/x
  3. Step 3: Cross multiply
    484,427.12x = 668,130.73 × 314,715.92
  4. Step 4: Simplify right side
    484,427.12x = 210,271,373,244.78
  5. Step 5: Solve for x
    x = 210,271,373,244.78/484,427.12
  6. Step 6: Final answer
    x = 434,061.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.