Home / 556,742.16-834,964.20-157,289.04

Finding the Fourth Proportional to 556,742.16, 834,964.20 and 157,289.04

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Solution

The fourth proportional to 556,742.16, 834,964.20 and 157,289.04 is: 235,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,742.16 : 834,964.20 = 157,289.04 : x
  2. Step 2: Convert to fraction form
    556,742.16/834,964.20 = 157,289.04/x
  3. Step 3: Cross multiply
    556,742.16x = 834,964.20 × 157,289.04
  4. Step 4: Simplify right side
    556,742.16x = 131,330,717,452.37
  5. Step 5: Solve for x
    x = 131,330,717,452.37/556,742.16
  6. Step 6: Final answer
    x = 235,891.45

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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.