Home / 788,969.50-1,088,521.54-482,726.63

Finding the Fourth Proportional to 788,969.50, 1,088,521.54 and 482,726.63

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Solution

The fourth proportional to 788,969.50, 1,088,521.54 and 482,726.63 is: 666,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,969.50 : 1,088,521.54 = 482,726.63 : x
  2. Step 2: Convert to fraction form
    788,969.50/1,088,521.54 = 482,726.63/x
  3. Step 3: Cross multiply
    788,969.50x = 1,088,521.54 × 482,726.63
  4. Step 4: Simplify right side
    788,969.50x = 525,458,336,201.10
  5. Step 5: Solve for x
    x = 525,458,336,201.10/788,969.50
  6. Step 6: Final answer
    x = 666,005.89

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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.