Home / 913,514.40-1,369,484.28-439,547.76

Finding the Fourth Proportional to 913,514.40, 1,369,484.28 and 439,547.76

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Solution

The fourth proportional to 913,514.40, 1,369,484.28 and 439,547.76 is: 658,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,514.40 : 1,369,484.28 = 439,547.76 : x
  2. Step 2: Convert to fraction form
    913,514.40/1,369,484.28 = 439,547.76/x
  3. Step 3: Cross multiply
    913,514.40x = 1,369,484.28 × 439,547.76
  4. Step 4: Simplify right side
    913,514.40x = 601,953,747,629.21
  5. Step 5: Solve for x
    x = 601,953,747,629.21/913,514.40
  6. Step 6: Final answer
    x = 658,942.81

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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.