Home / 471,920.04-651,231.29-288,465.77

Finding the Fourth Proportional to 471,920.04, 651,231.29 and 288,465.77

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Solution

The fourth proportional to 471,920.04, 651,231.29 and 288,465.77 is: 398,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,920.04 : 651,231.29 = 288,465.77 : x
  2. Step 2: Convert to fraction form
    471,920.04/651,231.29 = 288,465.77/x
  3. Step 3: Cross multiply
    471,920.04x = 651,231.29 × 288,465.77
  4. Step 4: Simplify right side
    471,920.04x = 187,857,937,867.19
  5. Step 5: Solve for x
    x = 187,857,937,867.19/471,920.04
  6. Step 6: Final answer
    x = 398,071.54

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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.