Home / 761,878.30-1,051,499.14-471,583.02

Finding the Fourth Proportional to 761,878.30, 1,051,499.14 and 471,583.02

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Solution

The fourth proportional to 761,878.30, 1,051,499.14 and 471,583.02 is: 650,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,878.30 : 1,051,499.14 = 471,583.02 : x
  2. Step 2: Convert to fraction form
    761,878.30/1,051,499.14 = 471,583.02/x
  3. Step 3: Cross multiply
    761,878.30x = 1,051,499.14 × 471,583.02
  4. Step 4: Simplify right side
    761,878.30x = 495,869,139,968.60
  5. Step 5: Solve for x
    x = 495,869,139,968.60/761,878.30
  6. Step 6: Final answer
    x = 650,850.85

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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.