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Finding the Fourth Proportional to 635,605.04, 877,384.86 and 380,907.02

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Solution

The fourth proportional to 635,605.04, 877,384.86 and 380,907.02 is: 525,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,605.04 : 877,384.86 = 380,907.02 : x
  2. Step 2: Convert to fraction form
    635,605.04/877,384.86 = 380,907.02/x
  3. Step 3: Cross multiply
    635,605.04x = 877,384.86 × 380,907.02
  4. Step 4: Simplify right side
    635,605.04x = 334,202,052,415.72
  5. Step 5: Solve for x
    x = 334,202,052,415.72/635,605.04
  6. Step 6: Final answer
    x = 525,801.45

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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.