Home / 885,062.60-1,221,071.40-522,305

Finding the Fourth Proportional to 885,062.60, 1,221,071.40 and 522,305

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Solution

The fourth proportional to 885,062.60, 1,221,071.40 and 522,305 is: 720,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,062.60 : 1,221,071.40 = 522,305 : x
  2. Step 2: Convert to fraction form
    885,062.60/1,221,071.40 = 522,305/x
  3. Step 3: Cross multiply
    885,062.60x = 1,221,071.40 × 522,305
  4. Step 4: Simplify right side
    885,062.60x = 637,771,697,577
  5. Step 5: Solve for x
    x = 637,771,697,577/885,062.60
  6. Step 6: Final answer
    x = 720,595.02

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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.