Home / 916,419.74-1,374,827.34-276,670.40

Finding the Fourth Proportional to 916,419.74, 1,374,827.34 and 276,670.40

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Solution

The fourth proportional to 916,419.74, 1,374,827.34 and 276,670.40 is: 415,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,419.74 : 1,374,827.34 = 276,670.40 : x
  2. Step 2: Convert to fraction form
    916,419.74/1,374,827.34 = 276,670.40/x
  3. Step 3: Cross multiply
    916,419.74x = 1,374,827.34 × 276,670.40
  4. Step 4: Simplify right side
    916,419.74x = 380,374,030,088.74
  5. Step 5: Solve for x
    x = 380,374,030,088.74/916,419.74
  6. Step 6: Final answer
    x = 415,065.30

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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.