Home / 977,457.60-1,465,981.60-479,179.20

Finding the Fourth Proportional to 977,457.60, 1,465,981.60 and 479,179.20

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Solution

The fourth proportional to 977,457.60, 1,465,981.60 and 479,179.20 is: 718,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,457.60 : 1,465,981.60 = 479,179.20 : x
  2. Step 2: Convert to fraction form
    977,457.60/1,465,981.60 = 479,179.20/x
  3. Step 3: Cross multiply
    977,457.60x = 1,465,981.60 × 479,179.20
  4. Step 4: Simplify right side
    977,457.60x = 702,467,890,302.72
  5. Step 5: Solve for x
    x = 702,467,890,302.72/977,457.60
  6. Step 6: Final answer
    x = 718,668.40

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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.