Home / 830,489.28-1,146,075.12-448,516.08

Finding the Fourth Proportional to 830,489.28, 1,146,075.12 and 448,516.08

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Solution

The fourth proportional to 830,489.28, 1,146,075.12 and 448,516.08 is: 618,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,489.28 : 1,146,075.12 = 448,516.08 : x
  2. Step 2: Convert to fraction form
    830,489.28/1,146,075.12 = 448,516.08/x
  3. Step 3: Cross multiply
    830,489.28x = 1,146,075.12 × 448,516.08
  4. Step 4: Simplify right side
    830,489.28x = 514,033,120,207.93
  5. Step 5: Solve for x
    x = 514,033,120,207.93/830,489.28
  6. Step 6: Final answer
    x = 618,952.14

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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.