Home / 860,601.40-1,290,902.10-506,015.80

Finding the Fourth Proportional to 860,601.40, 1,290,902.10 and 506,015.80

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Solution

The fourth proportional to 860,601.40, 1,290,902.10 and 506,015.80 is: 759,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,601.40 : 1,290,902.10 = 506,015.80 : x
  2. Step 2: Convert to fraction form
    860,601.40/1,290,902.10 = 506,015.80/x
  3. Step 3: Cross multiply
    860,601.40x = 1,290,902.10 × 506,015.80
  4. Step 4: Simplify right side
    860,601.40x = 653,216,858,853.18
  5. Step 5: Solve for x
    x = 653,216,858,853.18/860,601.40
  6. Step 6: Final answer
    x = 759,023.70

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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.