Home / 889,538.40-1,226,342.70-562,688.82

Finding the Fourth Proportional to 889,538.40, 1,226,342.70 and 562,688.82

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Solution

The fourth proportional to 889,538.40, 1,226,342.70 and 562,688.82 is: 775,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,538.40 : 1,226,342.70 = 562,688.82 : x
  2. Step 2: Convert to fraction form
    889,538.40/1,226,342.70 = 562,688.82/x
  3. Step 3: Cross multiply
    889,538.40x = 1,226,342.70 × 562,688.82
  4. Step 4: Simplify right side
    889,538.40x = 690,049,326,778.61
  5. Step 5: Solve for x
    x = 690,049,326,778.61/889,538.40
  6. Step 6: Final answer
    x = 775,738.66

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Double scale
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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.