Home / 789,325.83-1,088,542.80-517,294.62

Finding the Fourth Proportional to 789,325.83, 1,088,542.80 and 517,294.62

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Solution

The fourth proportional to 789,325.83, 1,088,542.80 and 517,294.62 is: 713,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,325.83 : 1,088,542.80 = 517,294.62 : x
  2. Step 2: Convert to fraction form
    789,325.83/1,088,542.80 = 517,294.62/x
  3. Step 3: Cross multiply
    789,325.83x = 1,088,542.80 × 517,294.62
  4. Step 4: Simplify right side
    789,325.83x = 563,097,334,079.74
  5. Step 5: Solve for x
    x = 563,097,334,079.74/789,325.83
  6. Step 6: Final answer
    x = 713,390.23

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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.