Home / 688,210.80-1,032,316.20-677,713.20

Finding the Fourth Proportional to 688,210.80, 1,032,316.20 and 677,713.20

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Solution

The fourth proportional to 688,210.80, 1,032,316.20 and 677,713.20 is: 1,016,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,210.80 : 1,032,316.20 = 677,713.20 : x
  2. Step 2: Convert to fraction form
    688,210.80/1,032,316.20 = 677,713.20/x
  3. Step 3: Cross multiply
    688,210.80x = 1,032,316.20 × 677,713.20
  4. Step 4: Simplify right side
    688,210.80x = 699,614,315,313.84
  5. Step 5: Solve for x
    x = 699,614,315,313.84/688,210.80
  6. Step 6: Final answer
    x = 1,016,569.80

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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.