Home / 840,279.49-1,258,646.85-570,573.18

Finding the Fourth Proportional to 840,279.49, 1,258,646.85 and 570,573.18

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Solution

The fourth proportional to 840,279.49, 1,258,646.85 and 570,573.18 is: 854,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,279.49 : 1,258,646.85 = 570,573.18 : x
  2. Step 2: Convert to fraction form
    840,279.49/1,258,646.85 = 570,573.18/x
  3. Step 3: Cross multiply
    840,279.49x = 1,258,646.85 × 570,573.18
  4. Step 4: Simplify right side
    840,279.49x = 718,150,135,701.48
  5. Step 5: Solve for x
    x = 718,150,135,701.48/840,279.49
  6. Step 6: Final answer
    x = 854,656.27

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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.