Home / 912,893.66-1,369,465.10-380,290.11

Finding the Fourth Proportional to 912,893.66, 1,369,465.10 and 380,290.11

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Solution

The fourth proportional to 912,893.66, 1,369,465.10 and 380,290.11 is: 570,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,893.66 : 1,369,465.10 = 380,290.11 : x
  2. Step 2: Convert to fraction form
    912,893.66/1,369,465.10 = 380,290.11/x
  3. Step 3: Cross multiply
    912,893.66x = 1,369,465.10 × 380,290.11
  4. Step 4: Simplify right side
    912,893.66x = 520,794,033,520.16
  5. Step 5: Solve for x
    x = 520,794,033,520.16/912,893.66
  6. Step 6: Final answer
    x = 570,487.07

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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.