Home / 820,934.50-1,132,878.88-458,364.53

Finding the Fourth Proportional to 820,934.50, 1,132,878.88 and 458,364.53

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Solution

The fourth proportional to 820,934.50, 1,132,878.88 and 458,364.53 is: 632,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,934.50 : 1,132,878.88 = 458,364.53 : x
  2. Step 2: Convert to fraction form
    820,934.50/1,132,878.88 = 458,364.53/x
  3. Step 3: Cross multiply
    820,934.50x = 1,132,878.88 × 458,364.53
  4. Step 4: Simplify right side
    820,934.50x = 519,271,495,378.13
  5. Step 5: Solve for x
    x = 519,271,495,378.13/820,934.50
  6. Step 6: Final answer
    x = 632,537.06

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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.