Home / 472,427.04-651,785.76-302,754.72

Finding the Fourth Proportional to 472,427.04, 651,785.76 and 302,754.72

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Solution

The fourth proportional to 472,427.04, 651,785.76 and 302,754.72 is: 417,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,427.04 : 651,785.76 = 302,754.72 : x
  2. Step 2: Convert to fraction form
    472,427.04/651,785.76 = 302,754.72/x
  3. Step 3: Cross multiply
    472,427.04x = 651,785.76 × 302,754.72
  4. Step 4: Simplify right side
    472,427.04x = 197,331,215,268.79
  5. Step 5: Solve for x
    x = 197,331,215,268.79/472,427.04
  6. Step 6: Final answer
    x = 417,696.70

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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.