Home / 879,875.85-1,214,228.67-477,467.85

Finding the Fourth Proportional to 879,875.85, 1,214,228.67 and 477,467.85

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Solution

The fourth proportional to 879,875.85, 1,214,228.67 and 477,467.85 is: 658,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,875.85 : 1,214,228.67 = 477,467.85 : x
  2. Step 2: Convert to fraction form
    879,875.85/1,214,228.67 = 477,467.85/x
  3. Step 3: Cross multiply
    879,875.85x = 1,214,228.67 × 477,467.85
  4. Step 4: Simplify right side
    879,875.85x = 579,755,152,473.26
  5. Step 5: Solve for x
    x = 579,755,152,473.26/879,875.85
  6. Step 6: Final answer
    x = 658,905.63

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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.