Home / 738,354.40-1,107,531.60-401,556.40

Finding the Fourth Proportional to 738,354.40, 1,107,531.60 and 401,556.40

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Solution

The fourth proportional to 738,354.40, 1,107,531.60 and 401,556.40 is: 602,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,354.40 : 1,107,531.60 = 401,556.40 : x
  2. Step 2: Convert to fraction form
    738,354.40/1,107,531.60 = 401,556.40/x
  3. Step 3: Cross multiply
    738,354.40x = 1,107,531.60 × 401,556.40
  4. Step 4: Simplify right side
    738,354.40x = 444,736,402,182.24
  5. Step 5: Solve for x
    x = 444,736,402,182.24/738,354.40
  6. Step 6: Final answer
    x = 602,334.60

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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.