Home / 948,342.57-1,308,723.08-518,613.47

Finding the Fourth Proportional to 948,342.57, 1,308,723.08 and 518,613.47

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Solution

The fourth proportional to 948,342.57, 1,308,723.08 and 518,613.47 is: 715,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,342.57 : 1,308,723.08 = 518,613.47 : x
  2. Step 2: Convert to fraction form
    948,342.57/1,308,723.08 = 518,613.47/x
  3. Step 3: Cross multiply
    948,342.57x = 1,308,723.08 × 518,613.47
  4. Step 4: Simplify right side
    948,342.57x = 678,721,413,558.92
  5. Step 5: Solve for x
    x = 678,721,413,558.92/948,342.57
  6. Step 6: Final answer
    x = 715,692.24

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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.