Home / 834,501.83-1,252,266.69-328,976.78

Finding the Fourth Proportional to 834,501.83, 1,252,266.69 and 328,976.78

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Solution

The fourth proportional to 834,501.83, 1,252,266.69 and 328,976.78 is: 493,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,501.83 : 1,252,266.69 = 328,976.78 : x
  2. Step 2: Convert to fraction form
    834,501.83/1,252,266.69 = 328,976.78/x
  3. Step 3: Cross multiply
    834,501.83x = 1,252,266.69 × 328,976.78
  4. Step 4: Simplify right side
    834,501.83x = 411,966,657,116.13
  5. Step 5: Solve for x
    x = 411,966,657,116.13/834,501.83
  6. Step 6: Final answer
    x = 493,667.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.