Home / 788,840.13-1,088,599.23-426,263.97

Finding the Fourth Proportional to 788,840.13, 1,088,599.23 and 426,263.97

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Solution

The fourth proportional to 788,840.13, 1,088,599.23 and 426,263.97 is: 588,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,840.13 : 1,088,599.23 = 426,263.97 : x
  2. Step 2: Convert to fraction form
    788,840.13/1,088,599.23 = 426,263.97/x
  3. Step 3: Cross multiply
    788,840.13x = 1,088,599.23 × 426,263.97
  4. Step 4: Simplify right side
    788,840.13x = 464,030,629,518.74
  5. Step 5: Solve for x
    x = 464,030,629,518.74/788,840.13
  6. Step 6: Final answer
    x = 588,244.20

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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.