Home / 918,937.60-1,377,841.92-357,317.44

Finding the Fourth Proportional to 918,937.60, 1,377,841.92 and 357,317.44

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Solution

The fourth proportional to 918,937.60, 1,377,841.92 and 357,317.44 is: 535,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,937.60 : 1,377,841.92 = 357,317.44 : x
  2. Step 2: Convert to fraction form
    918,937.60/1,377,841.92 = 357,317.44/x
  3. Step 3: Cross multiply
    918,937.60x = 1,377,841.92 × 357,317.44
  4. Step 4: Simplify right side
    918,937.60x = 492,326,947,579.09
  5. Step 5: Solve for x
    x = 492,326,947,579.09/918,937.60
  6. Step 6: Final answer
    x = 535,756.67

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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.