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Finding the Fourth Proportional to 540,203.77, 810,220.47 and 339,911.02

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Solution

The fourth proportional to 540,203.77, 810,220.47 and 339,911.02 is: 509,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,203.77 : 810,220.47 = 339,911.02 : x
  2. Step 2: Convert to fraction form
    540,203.77/810,220.47 = 339,911.02/x
  3. Step 3: Cross multiply
    540,203.77x = 810,220.47 × 339,911.02
  4. Step 4: Simplify right side
    540,203.77x = 275,402,866,382.58
  5. Step 5: Solve for x
    x = 275,402,866,382.58/540,203.77
  6. Step 6: Final answer
    x = 509,812.93

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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.