Home / 788,971.76-1,088,786.00-426,394.77

Finding the Fourth Proportional to 788,971.76, 1,088,786.00 and 426,394.77

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Solution

The fourth proportional to 788,971.76, 1,088,786.00 and 426,394.77 is: 588,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,971.76 : 1,088,786.00 = 426,394.77 : x
  2. Step 2: Convert to fraction form
    788,971.76/1,088,786.00 = 426,394.77/x
  3. Step 3: Cross multiply
    788,971.76x = 1,088,786.00 × 426,394.77
  4. Step 4: Simplify right side
    788,971.76x = 464,252,653,032.26
  5. Step 5: Solve for x
    x = 464,252,653,032.26/788,971.76
  6. Step 6: Final answer
    x = 588,427.47

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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.