Home / 863,482.30-1,191,606.78-476,289.07

Finding the Fourth Proportional to 863,482.30, 1,191,606.78 and 476,289.07

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Solution

The fourth proportional to 863,482.30, 1,191,606.78 and 476,289.07 is: 657,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,482.30 : 1,191,606.78 = 476,289.07 : x
  2. Step 2: Convert to fraction form
    863,482.30/1,191,606.78 = 476,289.07/x
  3. Step 3: Cross multiply
    863,482.30x = 1,191,606.78 × 476,289.07
  4. Step 4: Simplify right side
    863,482.30x = 567,549,285,051.90
  5. Step 5: Solve for x
    x = 567,549,285,051.90/863,482.30
  6. Step 6: Final answer
    x = 657,279.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.