Home / 713,556.20-1,069,815.90-292,615.40

Finding the Fourth Proportional to 713,556.20, 1,069,815.90 and 292,615.40

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Solution

The fourth proportional to 713,556.20, 1,069,815.90 and 292,615.40 is: 438,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,556.20 : 1,069,815.90 = 292,615.40 : x
  2. Step 2: Convert to fraction form
    713,556.20/1,069,815.90 = 292,615.40/x
  3. Step 3: Cross multiply
    713,556.20x = 1,069,815.90 × 292,615.40
  4. Step 4: Simplify right side
    713,556.20x = 313,044,607,504.86
  5. Step 5: Solve for x
    x = 313,044,607,504.86/713,556.20
  6. Step 6: Final answer
    x = 438,710.51

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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.