Home / 876,658.58-1,209,373.50-570,623.32

Finding the Fourth Proportional to 876,658.58, 1,209,373.50 and 570,623.32

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Solution

The fourth proportional to 876,658.58, 1,209,373.50 and 570,623.32 is: 787,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,658.58 : 1,209,373.50 = 570,623.32 : x
  2. Step 2: Convert to fraction form
    876,658.58/1,209,373.50 = 570,623.32/x
  3. Step 3: Cross multiply
    876,658.58x = 1,209,373.50 × 570,623.32
  4. Step 4: Simplify right side
    876,658.58x = 690,096,721,690.02
  5. Step 5: Solve for x
    x = 690,096,721,690.02/876,658.58
  6. Step 6: Final answer
    x = 787,189.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.