Home / 688,270.18-950,158.20-430,290.46

Finding the Fourth Proportional to 688,270.18, 950,158.20 and 430,290.46

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Solution

The fourth proportional to 688,270.18, 950,158.20 and 430,290.46 is: 594,016.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,270.18 : 950,158.20 = 430,290.46 : x
  2. Step 2: Convert to fraction form
    688,270.18/950,158.20 = 430,290.46/x
  3. Step 3: Cross multiply
    688,270.18x = 950,158.20 × 430,290.46
  4. Step 4: Simplify right side
    688,270.18x = 408,844,008,950.77
  5. Step 5: Solve for x
    x = 408,844,008,950.77/688,270.18
  6. Step 6: Final answer
    x = 594,016.74

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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.