Home / 977,457.40-1,465,748.70-444,704.20

Finding the Fourth Proportional to 977,457.40, 1,465,748.70 and 444,704.20

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Solution

The fourth proportional to 977,457.40, 1,465,748.70 and 444,704.20 is: 666,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,457.40 : 1,465,748.70 = 444,704.20 : x
  2. Step 2: Convert to fraction form
    977,457.40/1,465,748.70 = 444,704.20/x
  3. Step 3: Cross multiply
    977,457.40x = 1,465,748.70 × 444,704.20
  4. Step 4: Simplify right side
    977,457.40x = 651,824,603,034.54
  5. Step 5: Solve for x
    x = 651,824,603,034.54/977,457.40
  6. Step 6: Final answer
    x = 666,857.30

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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.