Home / 993,357.10-1,370,792.28-563,627.98

Finding the Fourth Proportional to 993,357.10, 1,370,792.28 and 563,627.98

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Solution

The fourth proportional to 993,357.10, 1,370,792.28 and 563,627.98 is: 777,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,357.10 : 1,370,792.28 = 563,627.98 : x
  2. Step 2: Convert to fraction form
    993,357.10/1,370,792.28 = 563,627.98/x
  3. Step 3: Cross multiply
    993,357.10x = 1,370,792.28 × 563,627.98
  4. Step 4: Simplify right side
    993,357.10x = 772,616,883,775.99
  5. Step 5: Solve for x
    x = 772,616,883,775.99/993,357.10
  6. Step 6: Final answer
    x = 777,783.62

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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.