Home / 975,345.30-1,463,017.95-310,497.30

Finding the Fourth Proportional to 975,345.30, 1,463,017.95 and 310,497.30

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Solution

The fourth proportional to 975,345.30, 1,463,017.95 and 310,497.30 is: 465,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,345.30 : 1,463,017.95 = 310,497.30 : x
  2. Step 2: Convert to fraction form
    975,345.30/1,463,017.95 = 310,497.30/x
  3. Step 3: Cross multiply
    975,345.30x = 1,463,017.95 × 310,497.30
  4. Step 4: Simplify right side
    975,345.30x = 454,263,123,326.54
  5. Step 5: Solve for x
    x = 454,263,123,326.54/975,345.30
  6. Step 6: Final answer
    x = 465,745.95

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Double scale
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Similar ratio
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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.