Home / 485,822.13-670,435.56-270,956.67

Finding the Fourth Proportional to 485,822.13, 670,435.56 and 270,956.67

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Solution

The fourth proportional to 485,822.13, 670,435.56 and 270,956.67 is: 373,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,822.13 : 670,435.56 = 270,956.67 : x
  2. Step 2: Convert to fraction form
    485,822.13/670,435.56 = 270,956.67/x
  3. Step 3: Cross multiply
    485,822.13x = 670,435.56 × 270,956.67
  4. Step 4: Simplify right side
    485,822.13x = 181,658,986,787.19
  5. Step 5: Solve for x
    x = 181,658,986,787.19/485,822.13
  6. Step 6: Final answer
    x = 373,920.77

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1.5x scale

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.