Home / 847,312.56-1,271,143.80-248,293.26

Finding the Fourth Proportional to 847,312.56, 1,271,143.80 and 248,293.26

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Solution

The fourth proportional to 847,312.56, 1,271,143.80 and 248,293.26 is: 372,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,312.56 : 1,271,143.80 = 248,293.26 : x
  2. Step 2: Convert to fraction form
    847,312.56/1,271,143.80 = 248,293.26/x
  3. Step 3: Cross multiply
    847,312.56x = 1,271,143.80 × 248,293.26
  4. Step 4: Simplify right side
    847,312.56x = 315,616,438,030.79
  5. Step 5: Solve for x
    x = 315,616,438,030.79/847,312.56
  6. Step 6: Final answer
    x = 372,491.16

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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.