Home / 910,429.66-1,256,392.98-502,531.60

Finding the Fourth Proportional to 910,429.66, 1,256,392.98 and 502,531.60

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Solution

The fourth proportional to 910,429.66, 1,256,392.98 and 502,531.60 is: 693,493.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,429.66 : 1,256,392.98 = 502,531.60 : x
  2. Step 2: Convert to fraction form
    910,429.66/1,256,392.98 = 502,531.60/x
  3. Step 3: Cross multiply
    910,429.66x = 1,256,392.98 × 502,531.60
  4. Step 4: Simplify right side
    910,429.66x = 631,377,174,468.17
  5. Step 5: Solve for x
    x = 631,377,174,468.17/910,429.66
  6. Step 6: Final answer
    x = 693,493.64

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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.