Home / 672,637.79-1,008,953.04-288,330.05

Finding the Fourth Proportional to 672,637.79, 1,008,953.04 and 288,330.05

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Solution

The fourth proportional to 672,637.79, 1,008,953.04 and 288,330.05 is: 432,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,637.79 : 1,008,953.04 = 288,330.05 : x
  2. Step 2: Convert to fraction form
    672,637.79/1,008,953.04 = 288,330.05/x
  3. Step 3: Cross multiply
    672,637.79x = 1,008,953.04 × 288,330.05
  4. Step 4: Simplify right side
    672,637.79x = 290,911,480,470.85
  5. Step 5: Solve for x
    x = 290,911,480,470.85/672,637.79
  6. Step 6: Final answer
    x = 432,493.51

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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.