Home / 900,554.24-1,242,774.66-492,647.33

Finding the Fourth Proportional to 900,554.24, 1,242,774.66 and 492,647.33

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Solution

The fourth proportional to 900,554.24, 1,242,774.66 and 492,647.33 is: 679,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,554.24 : 1,242,774.66 = 492,647.33 : x
  2. Step 2: Convert to fraction form
    900,554.24/1,242,774.66 = 492,647.33/x
  3. Step 3: Cross multiply
    900,554.24x = 1,242,774.66 × 492,647.33
  4. Step 4: Simplify right side
    900,554.24x = 612,249,615,577.42
  5. Step 5: Solve for x
    x = 612,249,615,577.42/900,554.24
  6. Step 6: Final answer
    x = 679,858.68

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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.