Home / 690,878.60-1,036,628.93-374,861.96

Finding the Fourth Proportional to 690,878.60, 1,036,628.93 and 374,861.96

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Solution

The fourth proportional to 690,878.60, 1,036,628.93 and 374,861.96 is: 562,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,878.60 : 1,036,628.93 = 374,861.96 : x
  2. Step 2: Convert to fraction form
    690,878.60/1,036,628.93 = 374,861.96/x
  3. Step 3: Cross multiply
    690,878.60x = 1,036,628.93 × 374,861.96
  4. Step 4: Simplify right side
    690,878.60x = 388,592,752,492.50
  5. Step 5: Solve for x
    x = 388,592,752,492.50/690,878.60
  6. Step 6: Final answer
    x = 562,461.70

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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.