Home / 977,444.40-1,465,729.20-444,691.20

Finding the Fourth Proportional to 977,444.40, 1,465,729.20 and 444,691.20

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Solution

The fourth proportional to 977,444.40, 1,465,729.20 and 444,691.20 is: 666,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,444.40 : 1,465,729.20 = 444,691.20 : x
  2. Step 2: Convert to fraction form
    977,444.40/1,465,729.20 = 444,691.20/x
  3. Step 3: Cross multiply
    977,444.40x = 1,465,729.20 × 444,691.20
  4. Step 4: Simplify right side
    977,444.40x = 651,796,876,823.04
  5. Step 5: Solve for x
    x = 651,796,876,823.04/977,444.40
  6. Step 6: Final answer
    x = 666,837.80

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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.