Home / 977,356.20-1,465,985.70-504,089.40

Finding the Fourth Proportional to 977,356.20, 1,465,985.70 and 504,089.40

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Solution

The fourth proportional to 977,356.20, 1,465,985.70 and 504,089.40 is: 756,109.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,356.20 : 1,465,985.70 = 504,089.40 : x
  2. Step 2: Convert to fraction form
    977,356.20/1,465,985.70 = 504,089.40/x
  3. Step 3: Cross multiply
    977,356.20x = 1,465,985.70 × 504,089.40
  4. Step 4: Simplify right side
    977,356.20x = 738,987,851,921.58
  5. Step 5: Solve for x
    x = 738,987,851,921.58/977,356.20
  6. Step 6: Final answer
    x = 756,109.03

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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.