Home / 912,880.33-1,369,445.08-380,276.81

Finding the Fourth Proportional to 912,880.33, 1,369,445.08 and 380,276.81

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Solution

The fourth proportional to 912,880.33, 1,369,445.08 and 380,276.81 is: 570,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,880.33 : 1,369,445.08 = 380,276.81 : x
  2. Step 2: Convert to fraction form
    912,880.33/1,369,445.08 = 380,276.81/x
  3. Step 3: Cross multiply
    912,880.33x = 1,369,445.08 × 380,276.81
  4. Step 4: Simplify right side
    912,880.33x = 520,768,200,451.27
  5. Step 5: Solve for x
    x = 520,768,200,451.27/912,880.33
  6. Step 6: Final answer
    x = 570,467.10

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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.