Home / 977,417.24-1,465,665.77-378,658.76

Finding the Fourth Proportional to 977,417.24, 1,465,665.77 and 378,658.76

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Solution

The fourth proportional to 977,417.24, 1,465,665.77 and 378,658.76 is: 567,809.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,417.24 : 1,465,665.77 = 378,658.76 : x
  2. Step 2: Convert to fraction form
    977,417.24/1,465,665.77 = 378,658.76/x
  3. Step 3: Cross multiply
    977,417.24x = 1,465,665.77 × 378,658.76
  4. Step 4: Simplify right side
    977,417.24x = 554,987,176,660.96
  5. Step 5: Solve for x
    x = 554,987,176,660.96/977,417.24
  6. Step 6: Final answer
    x = 567,809.89

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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.