Home / 447,779.10-617,461.59-345,821.16

Finding the Fourth Proportional to 447,779.10, 617,461.59 and 345,821.16

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Solution

The fourth proportional to 447,779.10, 617,461.59 and 345,821.16 is: 476,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,779.10 : 617,461.59 = 345,821.16 : x
  2. Step 2: Convert to fraction form
    447,779.10/617,461.59 = 345,821.16/x
  3. Step 3: Cross multiply
    447,779.10x = 617,461.59 × 345,821.16
  4. Step 4: Simplify right side
    447,779.10x = 213,531,283,309.24
  5. Step 5: Solve for x
    x = 213,531,283,309.24/447,779.10
  6. Step 6: Final answer
    x = 476,867.46

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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.