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Finding the Fourth Proportional to 662,779.46, 914,579.57 and 372,368.34

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Solution

The fourth proportional to 662,779.46, 914,579.57 and 372,368.34 is: 513,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,779.46 : 914,579.57 = 372,368.34 : x
  2. Step 2: Convert to fraction form
    662,779.46/914,579.57 = 372,368.34/x
  3. Step 3: Cross multiply
    662,779.46x = 914,579.57 × 372,368.34
  4. Step 4: Simplify right side
    662,779.46x = 340,560,477,209.74
  5. Step 5: Solve for x
    x = 340,560,477,209.74/662,779.46
  6. Step 6: Final answer
    x = 513,836.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.