Home / 788,330.50-1,087,896.09-430,634.50

Finding the Fourth Proportional to 788,330.50, 1,087,896.09 and 430,634.50

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Solution

The fourth proportional to 788,330.50, 1,087,896.09 and 430,634.50 is: 594,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,330.50 : 1,087,896.09 = 430,634.50 : x
  2. Step 2: Convert to fraction form
    788,330.50/1,087,896.09 = 430,634.50/x
  3. Step 3: Cross multiply
    788,330.50x = 1,087,896.09 × 430,634.50
  4. Step 4: Simplify right side
    788,330.50x = 468,485,588,769.11
  5. Step 5: Solve for x
    x = 468,485,588,769.11/788,330.50
  6. Step 6: Final answer
    x = 594,275.61

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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.