Home / 945,741.60-1,418,612.40-314,719.20

Finding the Fourth Proportional to 945,741.60, 1,418,612.40 and 314,719.20

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Solution

The fourth proportional to 945,741.60, 1,418,612.40 and 314,719.20 is: 472,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,741.60 : 1,418,612.40 = 314,719.20 : x
  2. Step 2: Convert to fraction form
    945,741.60/1,418,612.40 = 314,719.20/x
  3. Step 3: Cross multiply
    945,741.60x = 1,418,612.40 × 314,719.20
  4. Step 4: Simplify right side
    945,741.60x = 446,464,559,638.08
  5. Step 5: Solve for x
    x = 446,464,559,638.08/945,741.60
  6. Step 6: Final answer
    x = 472,078.80

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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.