Home / 900,144.99-1,242,221.66-512,952.14

Finding the Fourth Proportional to 900,144.99, 1,242,221.66 and 512,952.14

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Solution

The fourth proportional to 900,144.99, 1,242,221.66 and 512,952.14 is: 707,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,144.99 : 1,242,221.66 = 512,952.14 : x
  2. Step 2: Convert to fraction form
    900,144.99/1,242,221.66 = 512,952.14/x
  3. Step 3: Cross multiply
    900,144.99x = 1,242,221.66 × 512,952.14
  4. Step 4: Simplify right side
    900,144.99x = 637,200,258,851.35
  5. Step 5: Solve for x
    x = 637,200,258,851.35/900,144.99
  6. Step 6: Final answer
    x = 707,886.25

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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.