Home / 820,627.08-1,132,461.18-458,030.04

Finding the Fourth Proportional to 820,627.08, 1,132,461.18 and 458,030.04

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Solution

The fourth proportional to 820,627.08, 1,132,461.18 and 458,030.04 is: 632,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,627.08 : 1,132,461.18 = 458,030.04 : x
  2. Step 2: Convert to fraction form
    820,627.08/1,132,461.18 = 458,030.04/x
  3. Step 3: Cross multiply
    820,627.08x = 1,132,461.18 × 458,030.04
  4. Step 4: Simplify right side
    820,627.08x = 518,701,239,573.85
  5. Step 5: Solve for x
    x = 518,701,239,573.85/820,627.08
  6. Step 6: Final answer
    x = 632,079.12

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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.