Home / 912,610.23-1,368,810.74-238,756.58

Finding the Fourth Proportional to 912,610.23, 1,368,810.74 and 238,756.58

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Solution

The fourth proportional to 912,610.23, 1,368,810.74 and 238,756.58 is: 358,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,610.23 : 1,368,810.74 = 238,756.58 : x
  2. Step 2: Convert to fraction form
    912,610.23/1,368,810.74 = 238,756.58/x
  3. Step 3: Cross multiply
    912,610.23x = 1,368,810.74 × 238,756.58
  4. Step 4: Simplify right side
    912,610.23x = 326,812,562,911.83
  5. Step 5: Solve for x
    x = 326,812,562,911.83/912,610.23
  6. Step 6: Final answer
    x = 358,107.49

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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.