Home / 910,418.37-1,256,377.47-502,520.34

Finding the Fourth Proportional to 910,418.37, 1,256,377.47 and 502,520.34

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Solution

The fourth proportional to 910,418.37, 1,256,377.47 and 502,520.34 is: 693,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,418.37 : 1,256,377.47 = 502,520.34 : x
  2. Step 2: Convert to fraction form
    910,418.37/1,256,377.47 = 502,520.34/x
  3. Step 3: Cross multiply
    910,418.37x = 1,256,377.47 × 502,520.34
  4. Step 4: Simplify right side
    910,418.37x = 631,355,233,392.74
  5. Step 5: Solve for x
    x = 631,355,233,392.74/910,418.37
  6. Step 6: Final answer
    x = 693,478.14

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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.