Home / 472,579.13-652,209.77-288,925.46

Finding the Fourth Proportional to 472,579.13, 652,209.77 and 288,925.46

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Solution

The fourth proportional to 472,579.13, 652,209.77 and 288,925.46 is: 398,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,579.13 : 652,209.77 = 288,925.46 : x
  2. Step 2: Convert to fraction form
    472,579.13/652,209.77 = 288,925.46/x
  3. Step 3: Cross multiply
    472,579.13x = 652,209.77 × 288,925.46
  4. Step 4: Simplify right side
    472,579.13x = 188,440,009,444.27
  5. Step 5: Solve for x
    x = 188,440,009,444.27/472,579.13
  6. Step 6: Final answer
    x = 398,748.06

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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.