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Finding the Fourth Proportional to 572,661.60, 858,992.40 and 540,002.40

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Solution

The fourth proportional to 572,661.60, 858,992.40 and 540,002.40 is: 810,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,661.60 : 858,992.40 = 540,002.40 : x
  2. Step 2: Convert to fraction form
    572,661.60/858,992.40 = 540,002.40/x
  3. Step 3: Cross multiply
    572,661.60x = 858,992.40 × 540,002.40
  4. Step 4: Simplify right side
    572,661.60x = 463,857,957,581.76
  5. Step 5: Solve for x
    x = 463,857,957,581.76/572,661.60
  6. Step 6: Final answer
    x = 810,003.60

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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.