Home / 878,954.60-1,316,682.30-458,467.40

Finding the Fourth Proportional to 878,954.60, 1,316,682.30 and 458,467.40

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Solution

The fourth proportional to 878,954.60, 1,316,682.30 and 458,467.40 is: 686,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,954.60 : 1,316,682.30 = 458,467.40 : x
  2. Step 2: Convert to fraction form
    878,954.60/1,316,682.30 = 458,467.40/x
  3. Step 3: Cross multiply
    878,954.60x = 1,316,682.30 × 458,467.40
  4. Step 4: Simplify right side
    878,954.60x = 603,655,910,707.02
  5. Step 5: Solve for x
    x = 603,655,910,707.02/878,954.60
  6. Step 6: Final answer
    x = 686,788.50

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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.