Home / 945,421.80-1,417,279.74-345,965.10

Finding the Fourth Proportional to 945,421.80, 1,417,279.74 and 345,965.10

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Solution

The fourth proportional to 945,421.80, 1,417,279.74 and 345,965.10 is: 518,635.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,421.80 : 1,417,279.74 = 345,965.10 : x
  2. Step 2: Convert to fraction form
    945,421.80/1,417,279.74 = 345,965.10/x
  3. Step 3: Cross multiply
    945,421.80x = 1,417,279.74 × 345,965.10
  4. Step 4: Simplify right side
    945,421.80x = 490,329,326,977.07
  5. Step 5: Solve for x
    x = 490,329,326,977.07/945,421.80
  6. Step 6: Final answer
    x = 518,635.52

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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.