Home / 688,510.80-1,030,433.40-688,510.80

Finding the Fourth Proportional to 688,510.80, 1,030,433.40 and 688,510.80

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Solution

The fourth proportional to 688,510.80, 1,030,433.40 and 688,510.80 is: 1,030,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,510.80 : 1,030,433.40 = 688,510.80 : x
  2. Step 2: Convert to fraction form
    688,510.80/1,030,433.40 = 688,510.80/x
  3. Step 3: Cross multiply
    688,510.80x = 1,030,433.40 × 688,510.80
  4. Step 4: Simplify right side
    688,510.80x = 709,464,524,580.72
  5. Step 5: Solve for x
    x = 709,464,524,580.72/688,510.80
  6. Step 6: Final answer
    x = 1,030,433.40

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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.