Home / 912,894.51-1,369,466.37-380,290.96

Finding the Fourth Proportional to 912,894.51, 1,369,466.37 and 380,290.96

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Solution

The fourth proportional to 912,894.51, 1,369,466.37 and 380,290.96 is: 570,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,894.51 : 1,369,466.37 = 380,290.96 : x
  2. Step 2: Convert to fraction form
    912,894.51/1,369,466.37 = 380,290.96/x
  3. Step 3: Cross multiply
    912,894.51x = 1,369,466.37 × 380,290.96
  4. Step 4: Simplify right side
    912,894.51x = 520,795,680,535.02
  5. Step 5: Solve for x
    x = 520,795,680,535.02/912,894.51
  6. Step 6: Final answer
    x = 570,488.35

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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.