Home / 910,511.35-1,256,498.32-502,612.60

Finding the Fourth Proportional to 910,511.35, 1,256,498.32 and 502,612.60

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Solution

The fourth proportional to 910,511.35, 1,256,498.32 and 502,612.60 is: 693,601.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,511.35 : 1,256,498.32 = 502,612.60 : x
  2. Step 2: Convert to fraction form
    910,511.35/1,256,498.32 = 502,612.60/x
  3. Step 3: Cross multiply
    910,511.35x = 1,256,498.32 × 502,612.60
  4. Step 4: Simplify right side
    910,511.35x = 631,531,887,510.83
  5. Step 5: Solve for x
    x = 631,531,887,510.83/910,511.35
  6. Step 6: Final answer
    x = 693,601.33

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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.