Home / 904,057.07-1,356,085.60-429,303.11

Finding the Fourth Proportional to 904,057.07, 1,356,085.60 and 429,303.11

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Solution

The fourth proportional to 904,057.07, 1,356,085.60 and 429,303.11 is: 643,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,057.07 : 1,356,085.60 = 429,303.11 : x
  2. Step 2: Convert to fraction form
    904,057.07/1,356,085.60 = 429,303.11/x
  3. Step 3: Cross multiply
    904,057.07x = 1,356,085.60 × 429,303.11
  4. Step 4: Simplify right side
    904,057.07x = 582,171,757,652.53
  5. Step 5: Solve for x
    x = 582,171,757,652.53/904,057.07
  6. Step 6: Final answer
    x = 643,954.66

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Double scale
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Similar ratio
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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.