Home / 904,909.53-1,357,140.02-305,857.38

Finding the Fourth Proportional to 904,909.53, 1,357,140.02 and 305,857.38

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Solution

The fourth proportional to 904,909.53, 1,357,140.02 and 305,857.38 is: 458,710.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,909.53 : 1,357,140.02 = 305,857.38 : x
  2. Step 2: Convert to fraction form
    904,909.53/1,357,140.02 = 305,857.38/x
  3. Step 3: Cross multiply
    904,909.53x = 1,357,140.02 × 305,857.38
  4. Step 4: Simplify right side
    904,909.53x = 415,091,289,281.06
  5. Step 5: Solve for x
    x = 415,091,289,281.06/904,909.53
  6. Step 6: Final answer
    x = 458,710.26

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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.