Home / 648,029.16-894,323.23-361,555.45

Finding the Fourth Proportional to 648,029.16, 894,323.23 and 361,555.45

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Solution

The fourth proportional to 648,029.16, 894,323.23 and 361,555.45 is: 498,970.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,029.16 : 894,323.23 = 361,555.45 : x
  2. Step 2: Convert to fraction form
    648,029.16/894,323.23 = 361,555.45/x
  3. Step 3: Cross multiply
    648,029.16x = 894,323.23 × 361,555.45
  4. Step 4: Simplify right side
    648,029.16x = 323,347,434,728.41
  5. Step 5: Solve for x
    x = 323,347,434,728.41/648,029.16
  6. Step 6: Final answer
    x = 498,970.50

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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.