Home / 832,328.21-1,148,604.77-450,346.61

Finding the Fourth Proportional to 832,328.21, 1,148,604.77 and 450,346.61

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Solution

The fourth proportional to 832,328.21, 1,148,604.77 and 450,346.61 is: 621,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,328.21 : 1,148,604.77 = 450,346.61 : x
  2. Step 2: Convert to fraction form
    832,328.21/1,148,604.77 = 450,346.61/x
  3. Step 3: Cross multiply
    832,328.21x = 1,148,604.77 × 450,346.61
  4. Step 4: Simplify right side
    832,328.21x = 517,270,262,147.60
  5. Step 5: Solve for x
    x = 517,270,262,147.60/832,328.21
  6. Step 6: Final answer
    x = 621,473.90

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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.