Home / 917,282.40-1,375,923.60-243,362.40

Finding the Fourth Proportional to 917,282.40, 1,375,923.60 and 243,362.40

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Solution

The fourth proportional to 917,282.40, 1,375,923.60 and 243,362.40 is: 365,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,282.40 : 1,375,923.60 = 243,362.40 : x
  2. Step 2: Convert to fraction form
    917,282.40/1,375,923.60 = 243,362.40/x
  3. Step 3: Cross multiply
    917,282.40x = 1,375,923.60 × 243,362.40
  4. Step 4: Simplify right side
    917,282.40x = 334,848,069,512.64
  5. Step 5: Solve for x
    x = 334,848,069,512.64/917,282.40
  6. Step 6: Final answer
    x = 365,043.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.