Home / 789,721.60-1,184,582.40-537,779.20

Finding the Fourth Proportional to 789,721.60, 1,184,582.40 and 537,779.20

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Solution

The fourth proportional to 789,721.60, 1,184,582.40 and 537,779.20 is: 806,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,721.60 : 1,184,582.40 = 537,779.20 : x
  2. Step 2: Convert to fraction form
    789,721.60/1,184,582.40 = 537,779.20/x
  3. Step 3: Cross multiply
    789,721.60x = 1,184,582.40 × 537,779.20
  4. Step 4: Simplify right side
    789,721.60x = 637,043,775,406.08
  5. Step 5: Solve for x
    x = 637,043,775,406.08/789,721.60
  6. Step 6: Final answer
    x = 806,668.80

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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.