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Finding the Fourth Proportional to 601,774.35, 830,533.64 and 372,405.47

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Solution

The fourth proportional to 601,774.35, 830,533.64 and 372,405.47 is: 513,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,774.35 : 830,533.64 = 372,405.47 : x
  2. Step 2: Convert to fraction form
    601,774.35/830,533.64 = 372,405.47/x
  3. Step 3: Cross multiply
    601,774.35x = 830,533.64 × 372,405.47
  4. Step 4: Simplify right side
    601,774.35x = 309,295,266,616.65
  5. Step 5: Solve for x
    x = 309,295,266,616.65/601,774.35
  6. Step 6: Final answer
    x = 513,972.17

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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.