Home / 689,192.85-950,946.76-402,657.57

Finding the Fourth Proportional to 689,192.85, 950,946.76 and 402,657.57

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Solution

The fourth proportional to 689,192.85, 950,946.76 and 402,657.57 is: 555,586.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,192.85 : 950,946.76 = 402,657.57 : x
  2. Step 2: Convert to fraction form
    689,192.85/950,946.76 = 402,657.57/x
  3. Step 3: Cross multiply
    689,192.85x = 950,946.76 × 402,657.57
  4. Step 4: Simplify right side
    689,192.85x = 382,905,912,951.70
  5. Step 5: Solve for x
    x = 382,905,912,951.70/689,192.85
  6. Step 6: Final answer
    x = 555,586.02

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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.