Home / 830,663.31-1,146,315.78-448,690.08

Finding the Fourth Proportional to 830,663.31, 1,146,315.78 and 448,690.08

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Solution

The fourth proportional to 830,663.31, 1,146,315.78 and 448,690.08 is: 619,192.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,663.31 : 1,146,315.78 = 448,690.08 : x
  2. Step 2: Convert to fraction form
    830,663.31/1,146,315.78 = 448,690.08/x
  3. Step 3: Cross multiply
    830,663.31x = 1,146,315.78 × 448,690.08
  4. Step 4: Simplify right side
    830,663.31x = 514,340,519,033.46
  5. Step 5: Solve for x
    x = 514,340,519,033.46/830,663.31
  6. Step 6: Final answer
    x = 619,192.53

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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.