Home / 896,386.74-1,344,842.97-289,162.90

Finding the Fourth Proportional to 896,386.74, 1,344,842.97 and 289,162.90

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Solution

The fourth proportional to 896,386.74, 1,344,842.97 and 289,162.90 is: 433,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,386.74 : 1,344,842.97 = 289,162.90 : x
  2. Step 2: Convert to fraction form
    896,386.74/1,344,842.97 = 289,162.90/x
  3. Step 3: Cross multiply
    896,386.74x = 1,344,842.97 × 289,162.90
  4. Step 4: Simplify right side
    896,386.74x = 388,878,685,079.78
  5. Step 5: Solve for x
    x = 388,878,685,079.78/896,386.74
  6. Step 6: Final answer
    x = 433,829.14

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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.