Home / 712,771.05-983,623.95-426,291.15

Finding the Fourth Proportional to 712,771.05, 983,623.95 and 426,291.15

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Solution

The fourth proportional to 712,771.05, 983,623.95 and 426,291.15 is: 588,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,771.05 : 983,623.95 = 426,291.15 : x
  2. Step 2: Convert to fraction form
    712,771.05/983,623.95 = 426,291.15/x
  3. Step 3: Cross multiply
    712,771.05x = 983,623.95 × 426,291.15
  4. Step 4: Simplify right side
    712,771.05x = 419,310,184,813.04
  5. Step 5: Solve for x
    x = 419,310,184,813.04/712,771.05
  6. Step 6: Final answer
    x = 588,281.73

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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.