Home / 846,302.40-1,269,440.24-340,851.47

Finding the Fourth Proportional to 846,302.40, 1,269,440.24 and 340,851.47

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Solution

The fourth proportional to 846,302.40, 1,269,440.24 and 340,851.47 is: 511,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,302.40 : 1,269,440.24 = 340,851.47 : x
  2. Step 2: Convert to fraction form
    846,302.40/1,269,440.24 = 340,851.47/x
  3. Step 3: Cross multiply
    846,302.40x = 1,269,440.24 × 340,851.47
  4. Step 4: Simplify right side
    846,302.40x = 432,690,563,829.69
  5. Step 5: Solve for x
    x = 432,690,563,829.69/846,302.40
  6. Step 6: Final answer
    x = 511,271.81

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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.