Home / 686,048.06-1,030,014.70-349,314.95

Finding the Fourth Proportional to 686,048.06, 1,030,014.70 and 349,314.95

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Solution

The fourth proportional to 686,048.06, 1,030,014.70 and 349,314.95 is: 524,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,048.06 : 1,030,014.70 = 349,314.95 : x
  2. Step 2: Convert to fraction form
    686,048.06/1,030,014.70 = 349,314.95/x
  3. Step 3: Cross multiply
    686,048.06x = 1,030,014.70 × 349,314.95
  4. Step 4: Simplify right side
    686,048.06x = 359,799,535,131.51
  5. Step 5: Solve for x
    x = 359,799,535,131.51/686,048.06
  6. Step 6: Final answer
    x = 524,452.37

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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.