Home / 891,890.64-1,230,809.93-509,925.42

Finding the Fourth Proportional to 891,890.64, 1,230,809.93 and 509,925.42

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Solution

The fourth proportional to 891,890.64, 1,230,809.93 and 509,925.42 is: 703,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,890.64 : 1,230,809.93 = 509,925.42 : x
  2. Step 2: Convert to fraction form
    891,890.64/1,230,809.93 = 509,925.42/x
  3. Step 3: Cross multiply
    891,890.64x = 1,230,809.93 × 509,925.42
  4. Step 4: Simplify right side
    891,890.64x = 627,621,270,495.42
  5. Step 5: Solve for x
    x = 627,621,270,495.42/891,890.64
  6. Step 6: Final answer
    x = 703,697.56

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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.