Home / 913,576.17-1,370,455.52-314,458.05

Finding the Fourth Proportional to 913,576.17, 1,370,455.52 and 314,458.05

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Solution

The fourth proportional to 913,576.17, 1,370,455.52 and 314,458.05 is: 471,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,576.17 : 1,370,455.52 = 314,458.05 : x
  2. Step 2: Convert to fraction form
    913,576.17/1,370,455.52 = 314,458.05/x
  3. Step 3: Cross multiply
    913,576.17x = 1,370,455.52 × 314,458.05
  4. Step 4: Simplify right side
    913,576.17x = 430,950,768,858.65
  5. Step 5: Solve for x
    x = 430,950,768,858.65/913,576.17
  6. Step 6: Final answer
    x = 471,718.49

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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.