Home / 975,601.80-1,463,840.10-442,848.60

Finding the Fourth Proportional to 975,601.80, 1,463,840.10 and 442,848.60

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Solution

The fourth proportional to 975,601.80, 1,463,840.10 and 442,848.60 is: 664,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,601.80 : 1,463,840.10 = 442,848.60 : x
  2. Step 2: Convert to fraction form
    975,601.80/1,463,840.10 = 442,848.60/x
  3. Step 3: Cross multiply
    975,601.80x = 1,463,840.10 × 442,848.60
  4. Step 4: Simplify right side
    975,601.80x = 648,259,538,908.86
  5. Step 5: Solve for x
    x = 648,259,538,908.86/975,601.80
  6. Step 6: Final answer
    x = 664,471.45

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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.