Home / 802,506.90-1,107,538.72-458,394.26

Finding the Fourth Proportional to 802,506.90, 1,107,538.72 and 458,394.26

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Solution

The fourth proportional to 802,506.90, 1,107,538.72 and 458,394.26 is: 632,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,506.90 : 1,107,538.72 = 458,394.26 : x
  2. Step 2: Convert to fraction form
    802,506.90/1,107,538.72 = 458,394.26/x
  3. Step 3: Cross multiply
    802,506.90x = 1,107,538.72 × 458,394.26
  4. Step 4: Simplify right side
    802,506.90x = 507,689,391,975.75
  5. Step 5: Solve for x
    x = 507,689,391,975.75/802,506.90
  6. Step 6: Final answer
    x = 632,629.32

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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.