Home / 930,462.80-1,284,317.12-543,382.64

Finding the Fourth Proportional to 930,462.80, 1,284,317.12 and 543,382.64

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Solution

The fourth proportional to 930,462.80, 1,284,317.12 and 543,382.64 is: 750,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,462.80 : 1,284,317.12 = 543,382.64 : x
  2. Step 2: Convert to fraction form
    930,462.80/1,284,317.12 = 543,382.64/x
  3. Step 3: Cross multiply
    930,462.80x = 1,284,317.12 × 543,382.64
  4. Step 4: Simplify right side
    930,462.80x = 697,875,618,124.30
  5. Step 5: Solve for x
    x = 697,875,618,124.30/930,462.80
  6. Step 6: Final answer
    x = 750,030.65

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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.