Home / 883,984.80-1,326,074.40-323,140.80

Finding the Fourth Proportional to 883,984.80, 1,326,074.40 and 323,140.80

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Solution

The fourth proportional to 883,984.80, 1,326,074.40 and 323,140.80 is: 484,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,984.80 : 1,326,074.40 = 323,140.80 : x
  2. Step 2: Convert to fraction form
    883,984.80/1,326,074.40 = 323,140.80/x
  3. Step 3: Cross multiply
    883,984.80x = 1,326,074.40 × 323,140.80
  4. Step 4: Simplify right side
    883,984.80x = 428,508,742,475.52
  5. Step 5: Solve for x
    x = 428,508,742,475.52/883,984.80
  6. Step 6: Final answer
    x = 484,746.73

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Double scale
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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.