Home / 698,703.10-1,047,660.94-243,085.39

Finding the Fourth Proportional to 698,703.10, 1,047,660.94 and 243,085.39

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Solution

The fourth proportional to 698,703.10, 1,047,660.94 and 243,085.39 is: 364,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,703.10 : 1,047,660.94 = 243,085.39 : x
  2. Step 2: Convert to fraction form
    698,703.10/1,047,660.94 = 243,085.39/x
  3. Step 3: Cross multiply
    698,703.10x = 1,047,660.94 × 243,085.39
  4. Step 4: Simplify right side
    698,703.10x = 254,671,068,187.67
  5. Step 5: Solve for x
    x = 254,671,068,187.67/698,703.10
  6. Step 6: Final answer
    x = 364,491.11

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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.