Home / 692,686.80-1,039,030.20-629,701.20

Finding the Fourth Proportional to 692,686.80, 1,039,030.20 and 629,701.20

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Solution

The fourth proportional to 692,686.80, 1,039,030.20 and 629,701.20 is: 944,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,686.80 : 1,039,030.20 = 629,701.20 : x
  2. Step 2: Convert to fraction form
    692,686.80/1,039,030.20 = 629,701.20/x
  3. Step 3: Cross multiply
    692,686.80x = 1,039,030.20 × 629,701.20
  4. Step 4: Simplify right side
    692,686.80x = 654,278,563,776.24
  5. Step 5: Solve for x
    x = 654,278,563,776.24/692,686.80
  6. Step 6: Final answer
    x = 944,551.80

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1.5x scale

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.