Home / 715,262.76-1,071,477.16-490,069.80

Finding the Fourth Proportional to 715,262.76, 1,071,477.16 and 490,069.80

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Solution

The fourth proportional to 715,262.76, 1,071,477.16 and 490,069.80 is: 734,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,262.76 : 1,071,477.16 = 490,069.80 : x
  2. Step 2: Convert to fraction form
    715,262.76/1,071,477.16 = 490,069.80/x
  3. Step 3: Cross multiply
    715,262.76x = 1,071,477.16 × 490,069.80
  4. Step 4: Simplify right side
    715,262.76x = 525,098,597,505.77
  5. Step 5: Solve for x
    x = 525,098,597,505.77/715,262.76
  6. Step 6: Final answer
    x = 734,133.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.