Home / 977,465.40-1,465,760.70-444,712.20

Finding the Fourth Proportional to 977,465.40, 1,465,760.70 and 444,712.20

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Solution

The fourth proportional to 977,465.40, 1,465,760.70 and 444,712.20 is: 666,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,465.40 : 1,465,760.70 = 444,712.20 : x
  2. Step 2: Convert to fraction form
    977,465.40/1,465,760.70 = 444,712.20/x
  3. Step 3: Cross multiply
    977,465.40x = 1,465,760.70 × 444,712.20
  4. Step 4: Simplify right side
    977,465.40x = 651,841,665,570.54
  5. Step 5: Solve for x
    x = 651,841,665,570.54/977,465.40
  6. Step 6: Final answer
    x = 666,869.30

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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.