Home / 912,305.16-1,368,036.51-335,783.63

Finding the Fourth Proportional to 912,305.16, 1,368,036.51 and 335,783.63

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Solution

The fourth proportional to 912,305.16, 1,368,036.51 and 335,783.63 is: 503,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,305.16 : 1,368,036.51 = 335,783.63 : x
  2. Step 2: Convert to fraction form
    912,305.16/1,368,036.51 = 335,783.63/x
  3. Step 3: Cross multiply
    912,305.16x = 1,368,036.51 × 335,783.63
  4. Step 4: Simplify right side
    912,305.16x = 459,364,258,460.15
  5. Step 5: Solve for x
    x = 459,364,258,460.15/912,305.16
  6. Step 6: Final answer
    x = 503,520.40

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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.