Home / 711,151.30-1,066,880.55-212,565.70

Finding the Fourth Proportional to 711,151.30, 1,066,880.55 and 212,565.70

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Solution

The fourth proportional to 711,151.30, 1,066,880.55 and 212,565.70 is: 318,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,151.30 : 1,066,880.55 = 212,565.70 : x
  2. Step 2: Convert to fraction form
    711,151.30/1,066,880.55 = 212,565.70/x
  3. Step 3: Cross multiply
    711,151.30x = 1,066,880.55 × 212,565.70
  4. Step 4: Simplify right side
    711,151.30x = 226,782,210,927.14
  5. Step 5: Solve for x
    x = 226,782,210,927.14/711,151.30
  6. Step 6: Final answer
    x = 318,894.46

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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.