Home / 975,021.47-1,345,489.88-567,135.03

Finding the Fourth Proportional to 975,021.47, 1,345,489.88 and 567,135.03

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Solution

The fourth proportional to 975,021.47, 1,345,489.88 and 567,135.03 is: 782,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,021.47 : 1,345,489.88 = 567,135.03 : x
  2. Step 2: Convert to fraction form
    975,021.47/1,345,489.88 = 567,135.03/x
  3. Step 3: Cross multiply
    975,021.47x = 1,345,489.88 × 567,135.03
  4. Step 4: Simplify right side
    975,021.47x = 763,074,440,622.82
  5. Step 5: Solve for x
    x = 763,074,440,622.82/975,021.47
  6. Step 6: Final answer
    x = 782,623.22

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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.