Home / 830,647.90-1,146,294.15-448,674.69

Finding the Fourth Proportional to 830,647.90, 1,146,294.15 and 448,674.69

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Solution

The fourth proportional to 830,647.90, 1,146,294.15 and 448,674.69 is: 619,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,647.90 : 1,146,294.15 = 448,674.69 : x
  2. Step 2: Convert to fraction form
    830,647.90/1,146,294.15 = 448,674.69/x
  3. Step 3: Cross multiply
    830,647.90x = 1,146,294.15 × 448,674.69
  4. Step 4: Simplify right side
    830,647.90x = 514,313,164,425.22
  5. Step 5: Solve for x
    x = 514,313,164,425.22/830,647.90
  6. Step 6: Final answer
    x = 619,171.09

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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.