Home / 945,009.96-1,417,071.61-345,551.91

Finding the Fourth Proportional to 945,009.96, 1,417,071.61 and 345,551.91

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Solution

The fourth proportional to 945,009.96, 1,417,071.61 and 345,551.91 is: 518,165.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,009.96 : 1,417,071.61 = 345,551.91 : x
  2. Step 2: Convert to fraction form
    945,009.96/1,417,071.61 = 345,551.91/x
  3. Step 3: Cross multiply
    945,009.96x = 1,417,071.61 × 345,551.91
  4. Step 4: Simplify right side
    945,009.96x = 489,671,801,442.28
  5. Step 5: Solve for x
    x = 489,671,801,442.28/945,009.96
  6. Step 6: Final answer
    x = 518,165.76

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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.