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Finding the Fourth Proportional to 452,442.48, 623,950.68 and 291,012.72

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Solution

The fourth proportional to 452,442.48, 623,950.68 and 291,012.72 is: 401,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,442.48 : 623,950.68 = 291,012.72 : x
  2. Step 2: Convert to fraction form
    452,442.48/623,950.68 = 291,012.72/x
  3. Step 3: Cross multiply
    452,442.48x = 623,950.68 × 291,012.72
  4. Step 4: Simplify right side
    452,442.48x = 181,577,584,532.65
  5. Step 5: Solve for x
    x = 181,577,584,532.65/452,442.48
  6. Step 6: Final answer
    x = 401,327.45

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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.