Home / 632,437.10-872,784.02-345,950.63

Finding the Fourth Proportional to 632,437.10, 872,784.02 and 345,950.63

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Solution

The fourth proportional to 632,437.10, 872,784.02 and 345,950.63 is: 477,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,437.10 : 872,784.02 = 345,950.63 : x
  2. Step 2: Convert to fraction form
    632,437.10/872,784.02 = 345,950.63/x
  3. Step 3: Cross multiply
    632,437.10x = 872,784.02 × 345,950.63
  4. Step 4: Simplify right side
    632,437.10x = 301,940,179,843.18
  5. Step 5: Solve for x
    x = 301,940,179,843.18/632,437.10
  6. Step 6: Final answer
    x = 477,423.26

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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.