Home / 788,501.09-1,088,131.94-425,924.95

Finding the Fourth Proportional to 788,501.09, 1,088,131.94 and 425,924.95

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Solution

The fourth proportional to 788,501.09, 1,088,131.94 and 425,924.95 is: 587,776.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,501.09 : 1,088,131.94 = 425,924.95 : x
  2. Step 2: Convert to fraction form
    788,501.09/1,088,131.94 = 425,924.95/x
  3. Step 3: Cross multiply
    788,501.09x = 1,088,131.94 × 425,924.95
  4. Step 4: Simplify right side
    788,501.09x = 463,462,542,137.90
  5. Step 5: Solve for x
    x = 463,462,542,137.90/788,501.09
  6. Step 6: Final answer
    x = 587,776.67

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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.