Home / 772,710.40-1,159,318.08-373,397.12

Finding the Fourth Proportional to 772,710.40, 1,159,318.08 and 373,397.12

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Solution

The fourth proportional to 772,710.40, 1,159,318.08 and 373,397.12 is: 560,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,710.40 : 1,159,318.08 = 373,397.12 : x
  2. Step 2: Convert to fraction form
    772,710.40/1,159,318.08 = 373,397.12/x
  3. Step 3: Cross multiply
    772,710.40x = 1,159,318.08 × 373,397.12
  4. Step 4: Simplify right side
    772,710.40x = 432,886,032,235.93
  5. Step 5: Solve for x
    x = 432,886,032,235.93/772,710.40
  6. Step 6: Final answer
    x = 560,217.69

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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.