Home / 646,966.18-892,816.88-375,195.22

Finding the Fourth Proportional to 646,966.18, 892,816.88 and 375,195.22

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Solution

The fourth proportional to 646,966.18, 892,816.88 and 375,195.22 is: 517,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,966.18 : 892,816.88 = 375,195.22 : x
  2. Step 2: Convert to fraction form
    646,966.18/892,816.88 = 375,195.22/x
  3. Step 3: Cross multiply
    646,966.18x = 892,816.88 × 375,195.22
  4. Step 4: Simplify right side
    646,966.18x = 334,980,625,711.31
  5. Step 5: Solve for x
    x = 334,980,625,711.31/646,966.18
  6. Step 6: Final answer
    x = 517,771.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.