Home / 779,739.60-1,169,609.40-723,752.40

Finding the Fourth Proportional to 779,739.60, 1,169,609.40 and 723,752.40

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Solution

The fourth proportional to 779,739.60, 1,169,609.40 and 723,752.40 is: 1,085,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,739.60 : 1,169,609.40 = 723,752.40 : x
  2. Step 2: Convert to fraction form
    779,739.60/1,169,609.40 = 723,752.40/x
  3. Step 3: Cross multiply
    779,739.60x = 1,169,609.40 × 723,752.40
  4. Step 4: Simplify right side
    779,739.60x = 846,507,610,312.56
  5. Step 5: Solve for x
    x = 846,507,610,312.56/779,739.60
  6. Step 6: Final answer
    x = 1,085,628.60

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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.