Home / 820,630.08-1,132,465.32-458,033.04

Finding the Fourth Proportional to 820,630.08, 1,132,465.32 and 458,033.04

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Solution

The fourth proportional to 820,630.08, 1,132,465.32 and 458,033.04 is: 632,083.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,630.08 : 1,132,465.32 = 458,033.04 : x
  2. Step 2: Convert to fraction form
    820,630.08/1,132,465.32 = 458,033.04/x
  3. Step 3: Cross multiply
    820,630.08x = 1,132,465.32 × 458,033.04
  4. Step 4: Simplify right side
    820,630.08x = 518,706,533,214.17
  5. Step 5: Solve for x
    x = 518,706,533,214.17/820,630.08
  6. Step 6: Final answer
    x = 632,083.26

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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.