Home / 910,430-1,256,393.52-502,531.98

Finding the Fourth Proportional to 910,430, 1,256,393.52 and 502,531.98

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Solution

The fourth proportional to 910,430, 1,256,393.52 and 502,531.98 is: 693,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,430 : 1,256,393.52 = 502,531.98 : x
  2. Step 2: Convert to fraction form
    910,430/1,256,393.52 = 502,531.98/x
  3. Step 3: Cross multiply
    910,430x = 1,256,393.52 × 502,531.98
  4. Step 4: Simplify right side
    910,430x = 631,377,923,264.77
  5. Step 5: Solve for x
    x = 631,377,923,264.77/910,430
  6. Step 6: Final answer
    x = 693,494.20

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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.