Home / 560,127.34-772,974.66-305,477.92

Finding the Fourth Proportional to 560,127.34, 772,974.66 and 305,477.92

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Solution

The fourth proportional to 560,127.34, 772,974.66 and 305,477.92 is: 421,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,127.34 : 772,974.66 = 305,477.92 : x
  2. Step 2: Convert to fraction form
    560,127.34/772,974.66 = 305,477.92/x
  3. Step 3: Cross multiply
    560,127.34x = 772,974.66 × 305,477.92
  4. Step 4: Simplify right side
    560,127.34x = 236,126,691,349.51
  5. Step 5: Solve for x
    x = 236,126,691,349.51/560,127.34
  6. Step 6: Final answer
    x = 421,558.95

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1.5x scale

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.