Home / 912,886.32-1,369,454.06-380,282.79

Finding the Fourth Proportional to 912,886.32, 1,369,454.06 and 380,282.79

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Solution

The fourth proportional to 912,886.32, 1,369,454.06 and 380,282.79 is: 570,476.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,886.32 : 1,369,454.06 = 380,282.79 : x
  2. Step 2: Convert to fraction form
    912,886.32/1,369,454.06 = 380,282.79/x
  3. Step 3: Cross multiply
    912,886.32x = 1,369,454.06 × 380,282.79
  4. Step 4: Simplify right side
    912,886.32x = 520,779,810,713.63
  5. Step 5: Solve for x
    x = 520,779,810,713.63/912,886.32
  6. Step 6: Final answer
    x = 570,476.08

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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.