Home / 945,220.40-1,417,830.60-346,201.10

Finding the Fourth Proportional to 945,220.40, 1,417,830.60 and 346,201.10

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Solution

The fourth proportional to 945,220.40, 1,417,830.60 and 346,201.10 is: 519,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,220.40 : 1,417,830.60 = 346,201.10 : x
  2. Step 2: Convert to fraction form
    945,220.40/1,417,830.60 = 346,201.10/x
  3. Step 3: Cross multiply
    945,220.40x = 1,417,830.60 × 346,201.10
  4. Step 4: Simplify right side
    945,220.40x = 490,854,513,333.66
  5. Step 5: Solve for x
    x = 490,854,513,333.66/945,220.40
  6. Step 6: Final answer
    x = 519,301.65

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Double scale
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Similar ratio
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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.