Home / 776,002.60-1,163,139.90-302,530.60

Finding the Fourth Proportional to 776,002.60, 1,163,139.90 and 302,530.60

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Solution

The fourth proportional to 776,002.60, 1,163,139.90 and 302,530.60 is: 453,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,002.60 : 1,163,139.90 = 302,530.60 : x
  2. Step 2: Convert to fraction form
    776,002.60/1,163,139.90 = 302,530.60/x
  3. Step 3: Cross multiply
    776,002.60x = 1,163,139.90 × 302,530.60
  4. Step 4: Simplify right side
    776,002.60x = 351,885,411,830.94
  5. Step 5: Solve for x
    x = 351,885,411,830.94/776,002.60
  6. Step 6: Final answer
    x = 453,459.06

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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.