Home / 910,600.34-1,256,630.36-502,702.76

Finding the Fourth Proportional to 910,600.34, 1,256,630.36 and 502,702.76

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Solution

The fourth proportional to 910,600.34, 1,256,630.36 and 502,702.76 is: 693,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,600.34 : 1,256,630.36 = 502,702.76 : x
  2. Step 2: Convert to fraction form
    910,600.34/1,256,630.36 = 502,702.76/x
  3. Step 3: Cross multiply
    910,600.34x = 1,256,630.36 × 502,702.76
  4. Step 4: Simplify right side
    910,600.34x = 631,711,550,899.86
  5. Step 5: Solve for x
    x = 631,711,550,899.86/910,600.34
  6. Step 6: Final answer
    x = 693,730.86

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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.