Home / 940,918.86-1,298,461.02-511,202.52

Finding the Fourth Proportional to 940,918.86, 1,298,461.02 and 511,202.52

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Solution

The fourth proportional to 940,918.86, 1,298,461.02 and 511,202.52 is: 705,455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,918.86 : 1,298,461.02 = 511,202.52 : x
  2. Step 2: Convert to fraction form
    940,918.86/1,298,461.02 = 511,202.52/x
  3. Step 3: Cross multiply
    940,918.86x = 1,298,461.02 × 511,202.52
  4. Step 4: Simplify right side
    940,918.86x = 663,776,545,545.77
  5. Step 5: Solve for x
    x = 663,776,545,545.77/940,918.86
  6. Step 6: Final answer
    x = 705,455.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.