Home / 671,146.07-926,181.70-369,340.07

Finding the Fourth Proportional to 671,146.07, 926,181.70 and 369,340.07

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Solution

The fourth proportional to 671,146.07, 926,181.70 and 369,340.07 is: 509,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,146.07 : 926,181.70 = 369,340.07 : x
  2. Step 2: Convert to fraction form
    671,146.07/926,181.70 = 369,340.07/x
  3. Step 3: Cross multiply
    671,146.07x = 926,181.70 × 369,340.07
  4. Step 4: Simplify right side
    671,146.07x = 342,076,009,279.81
  5. Step 5: Solve for x
    x = 342,076,009,279.81/671,146.07
  6. Step 6: Final answer
    x = 509,689.36

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Double scale
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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.