Home / 761,261.02-1,142,600.01-387,563.74

Finding the Fourth Proportional to 761,261.02, 1,142,600.01 and 387,563.74

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Solution

The fourth proportional to 761,261.02, 1,142,600.01 and 387,563.74 is: 581,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,261.02 : 1,142,600.01 = 387,563.74 : x
  2. Step 2: Convert to fraction form
    761,261.02/1,142,600.01 = 387,563.74/x
  3. Step 3: Cross multiply
    761,261.02x = 1,142,600.01 × 387,563.74
  4. Step 4: Simplify right side
    761,261.02x = 442,830,333,199.64
  5. Step 5: Solve for x
    x = 442,830,333,199.64/761,261.02
  6. Step 6: Final answer
    x = 581,706.30

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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.