Home / 688,908.08-950,296.80-430,335.52

Finding the Fourth Proportional to 688,908.08, 950,296.80 and 430,335.52

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Solution

The fourth proportional to 688,908.08, 950,296.80 and 430,335.52 is: 593,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,908.08 : 950,296.80 = 430,335.52 : x
  2. Step 2: Convert to fraction form
    688,908.08/950,296.80 = 430,335.52/x
  3. Step 3: Cross multiply
    688,908.08x = 950,296.80 × 430,335.52
  4. Step 4: Simplify right side
    688,908.08x = 408,946,467,582.34
  5. Step 5: Solve for x
    x = 408,946,467,582.34/688,908.08
  6. Step 6: Final answer
    x = 593,615.43

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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.