Home / 648,740.26-895,257.98-358,371.81

Finding the Fourth Proportional to 648,740.26, 895,257.98 and 358,371.81

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Solution

The fourth proportional to 648,740.26, 895,257.98 and 358,371.81 is: 494,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,740.26 : 895,257.98 = 358,371.81 : x
  2. Step 2: Convert to fraction form
    648,740.26/895,257.98 = 358,371.81/x
  3. Step 3: Cross multiply
    648,740.26x = 895,257.98 × 358,371.81
  4. Step 4: Simplify right side
    648,740.26x = 320,835,224,277.42
  5. Step 5: Solve for x
    x = 320,835,224,277.42/648,740.26
  6. Step 6: Final answer
    x = 494,551.13

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1.5x scale

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.