Home / 705,989.11-974,271.36-383,699.98

Finding the Fourth Proportional to 705,989.11, 974,271.36 and 383,699.98

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Solution

The fourth proportional to 705,989.11, 974,271.36 and 383,699.98 is: 529,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,989.11 : 974,271.36 = 383,699.98 : x
  2. Step 2: Convert to fraction form
    705,989.11/974,271.36 = 383,699.98/x
  3. Step 3: Cross multiply
    705,989.11x = 974,271.36 × 383,699.98
  4. Step 4: Simplify right side
    705,989.11x = 373,827,901,346.57
  5. Step 5: Solve for x
    x = 373,827,901,346.57/705,989.11
  6. Step 6: Final answer
    x = 529,509.44

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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.