Home / 910,071.39-1,255,897.02-502,172.91

Finding the Fourth Proportional to 910,071.39, 1,255,897.02 and 502,172.91

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Solution

The fourth proportional to 910,071.39, 1,255,897.02 and 502,172.91 is: 692,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,071.39 : 1,255,897.02 = 502,172.91 : x
  2. Step 2: Convert to fraction form
    910,071.39/1,255,897.02 = 502,172.91/x
  3. Step 3: Cross multiply
    910,071.39x = 1,255,897.02 × 502,172.91
  4. Step 4: Simplify right side
    910,071.39x = 630,677,463,076.88
  5. Step 5: Solve for x
    x = 630,677,463,076.88/910,071.39
  6. Step 6: Final answer
    x = 692,997.79

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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.