Home / 977,872.20-1,467,245.70-472,237.80

Finding the Fourth Proportional to 977,872.20, 1,467,245.70 and 472,237.80

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Solution

The fourth proportional to 977,872.20, 1,467,245.70 and 472,237.80 is: 708,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,872.20 : 1,467,245.70 = 472,237.80 : x
  2. Step 2: Convert to fraction form
    977,872.20/1,467,245.70 = 472,237.80/x
  3. Step 3: Cross multiply
    977,872.20x = 1,467,245.70 × 472,237.80
  4. Step 4: Simplify right side
    977,872.20x = 692,888,881,427.46
  5. Step 5: Solve for x
    x = 692,888,881,427.46/977,872.20
  6. Step 6: Final answer
    x = 708,567.93

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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.