Home / 712,821.48-1,069,120.42-233,045.94

Finding the Fourth Proportional to 712,821.48, 1,069,120.42 and 233,045.94

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Solution

The fourth proportional to 712,821.48, 1,069,120.42 and 233,045.94 is: 349,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,821.48 : 1,069,120.42 = 233,045.94 : x
  2. Step 2: Convert to fraction form
    712,821.48/1,069,120.42 = 233,045.94/x
  3. Step 3: Cross multiply
    712,821.48x = 1,069,120.42 × 233,045.94
  4. Step 4: Simplify right side
    712,821.48x = 249,154,173,252.10
  5. Step 5: Solve for x
    x = 249,154,173,252.10/712,821.48
  6. Step 6: Final answer
    x = 349,532.36

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1.5x scale

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.