Home / 787,358.24-1,085,994.50-525,581.54

Finding the Fourth Proportional to 787,358.24, 1,085,994.50 and 525,581.54

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Solution

The fourth proportional to 787,358.24, 1,085,994.50 and 525,581.54 is: 724,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,358.24 : 1,085,994.50 = 525,581.54 : x
  2. Step 2: Convert to fraction form
    787,358.24/1,085,994.50 = 525,581.54/x
  3. Step 3: Cross multiply
    787,358.24x = 1,085,994.50 × 525,581.54
  4. Step 4: Simplify right side
    787,358.24x = 570,778,661,741.53
  5. Step 5: Solve for x
    x = 570,778,661,741.53/787,358.24
  6. Step 6: Final answer
    x = 724,928.80

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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.