Home / 689,192.60-950,946.41-402,657.32

Finding the Fourth Proportional to 689,192.60, 950,946.41 and 402,657.32

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Solution

The fourth proportional to 689,192.60, 950,946.41 and 402,657.32 is: 555,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,192.60 : 950,946.41 = 402,657.32 : x
  2. Step 2: Convert to fraction form
    689,192.60/950,946.41 = 402,657.32/x
  3. Step 3: Cross multiply
    689,192.60x = 950,946.41 × 402,657.32
  4. Step 4: Simplify right side
    689,192.60x = 382,905,536,298.23
  5. Step 5: Solve for x
    x = 382,905,536,298.23/689,192.60
  6. Step 6: Final answer
    x = 555,585.68

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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.