Home / 701,875.69-1,053,280.10-258,643.69

Finding the Fourth Proportional to 701,875.69, 1,053,280.10 and 258,643.69

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Solution

The fourth proportional to 701,875.69, 1,053,280.10 and 258,643.69 is: 388,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,875.69 : 1,053,280.10 = 258,643.69 : x
  2. Step 2: Convert to fraction form
    701,875.69/1,053,280.10 = 258,643.69/x
  3. Step 3: Cross multiply
    701,875.69x = 1,053,280.10 × 258,643.69
  4. Step 4: Simplify right side
    701,875.69x = 272,424,249,680.98
  5. Step 5: Solve for x
    x = 272,424,249,680.98/701,875.69
  6. Step 6: Final answer
    x = 388,137.46

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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.