Home / 649,012.71-895,055.76-540,476.40

Finding the Fourth Proportional to 649,012.71, 895,055.76 and 540,476.40

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Solution

The fourth proportional to 649,012.71, 895,055.76 and 540,476.40 is: 745,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,012.71 : 895,055.76 = 540,476.40 : x
  2. Step 2: Convert to fraction form
    649,012.71/895,055.76 = 540,476.40/x
  3. Step 3: Cross multiply
    649,012.71x = 895,055.76 × 540,476.40
  4. Step 4: Simplify right side
    649,012.71x = 483,756,514,964.06
  5. Step 5: Solve for x
    x = 483,756,514,964.06/649,012.71
  6. Step 6: Final answer
    x = 745,372.94

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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.