Home / 772,293.40-1,159,476.90-493,048.60

Finding the Fourth Proportional to 772,293.40, 1,159,476.90 and 493,048.60

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Solution

The fourth proportional to 772,293.40, 1,159,476.90 and 493,048.60 is: 740,234.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,293.40 : 1,159,476.90 = 493,048.60 : x
  2. Step 2: Convert to fraction form
    772,293.40/1,159,476.90 = 493,048.60/x
  3. Step 3: Cross multiply
    772,293.40x = 1,159,476.90 × 493,048.60
  4. Step 4: Simplify right side
    772,293.40x = 571,678,462,277.34
  5. Step 5: Solve for x
    x = 571,678,462,277.34/772,293.40
  6. Step 6: Final answer
    x = 740,234.82

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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.