Home / 948,017.64-1,308,265.06-518,290.92

Finding the Fourth Proportional to 948,017.64, 1,308,265.06 and 518,290.92

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Solution

The fourth proportional to 948,017.64, 1,308,265.06 and 518,290.92 is: 715,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,017.64 : 1,308,265.06 = 518,290.92 : x
  2. Step 2: Convert to fraction form
    948,017.64/1,308,265.06 = 518,290.92/x
  3. Step 3: Cross multiply
    948,017.64x = 1,308,265.06 × 518,290.92
  4. Step 4: Simplify right side
    948,017.64x = 678,061,901,551.26
  5. Step 5: Solve for x
    x = 678,061,901,551.26/948,017.64
  6. Step 6: Final answer
    x = 715,241.86

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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.