Home / 549,069.60-757,679.07-304,036.75

Finding the Fourth Proportional to 549,069.60, 757,679.07 and 304,036.75

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Solution

The fourth proportional to 549,069.60, 757,679.07 and 304,036.75 is: 419,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,069.60 : 757,679.07 = 304,036.75 : x
  2. Step 2: Convert to fraction form
    549,069.60/757,679.07 = 304,036.75/x
  3. Step 3: Cross multiply
    549,069.60x = 757,679.07 × 304,036.75
  4. Step 4: Simplify right side
    549,069.60x = 230,362,281,985.82
  5. Step 5: Solve for x
    x = 230,362,281,985.82/549,069.60
  6. Step 6: Final answer
    x = 419,550.24

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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.