Home / 910,072.54-1,255,898.59-502,174.06

Finding the Fourth Proportional to 910,072.54, 1,255,898.59 and 502,174.06

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Solution

The fourth proportional to 910,072.54, 1,255,898.59 and 502,174.06 is: 692,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,072.54 : 1,255,898.59 = 502,174.06 : x
  2. Step 2: Convert to fraction form
    910,072.54/1,255,898.59 = 502,174.06/x
  3. Step 3: Cross multiply
    910,072.54x = 1,255,898.59 × 502,174.06
  4. Step 4: Simplify right side
    910,072.54x = 630,679,693,888.58
  5. Step 5: Solve for x
    x = 630,679,693,888.58/910,072.54
  6. Step 6: Final answer
    x = 692,999.37

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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.