Home / 977,495.40-1,465,805.70-444,742.20

Finding the Fourth Proportional to 977,495.40, 1,465,805.70 and 444,742.20

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Solution

The fourth proportional to 977,495.40, 1,465,805.70 and 444,742.20 is: 666,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,495.40 : 1,465,805.70 = 444,742.20 : x
  2. Step 2: Convert to fraction form
    977,495.40/1,465,805.70 = 444,742.20/x
  3. Step 3: Cross multiply
    977,495.40x = 1,465,805.70 × 444,742.20
  4. Step 4: Simplify right side
    977,495.40x = 651,905,651,790.54
  5. Step 5: Solve for x
    x = 651,905,651,790.54/977,495.40
  6. Step 6: Final answer
    x = 666,914.29

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1.5x scale

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.