Home / 688,402.04-1,032,370.18-261,836.60

Finding the Fourth Proportional to 688,402.04, 1,032,370.18 and 261,836.60

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Solution

The fourth proportional to 688,402.04, 1,032,370.18 and 261,836.60 is: 392,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,402.04 : 1,032,370.18 = 261,836.60 : x
  2. Step 2: Convert to fraction form
    688,402.04/1,032,370.18 = 261,836.60/x
  3. Step 3: Cross multiply
    688,402.04x = 1,032,370.18 × 261,836.60
  4. Step 4: Simplify right side
    688,402.04x = 270,312,292,056.15
  5. Step 5: Solve for x
    x = 270,312,292,056.15/688,402.04
  6. Step 6: Final answer
    x = 392,666.32

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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.