Home / 788,888.32-1,088,665.36-426,312

Finding the Fourth Proportional to 788,888.32, 1,088,665.36 and 426,312

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Solution

The fourth proportional to 788,888.32, 1,088,665.36 and 426,312 is: 588,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,888.32 : 1,088,665.36 = 426,312 : x
  2. Step 2: Convert to fraction form
    788,888.32/1,088,665.36 = 426,312/x
  3. Step 3: Cross multiply
    788,888.32x = 1,088,665.36 × 426,312
  4. Step 4: Simplify right side
    788,888.32x = 464,111,106,952.32
  5. Step 5: Solve for x
    x = 464,111,106,952.32/788,888.32
  6. Step 6: Final answer
    x = 588,310.28

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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.