Home / 840,301.46-1,159,714.04-477,779.63

Finding the Fourth Proportional to 840,301.46, 1,159,714.04 and 477,779.63

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Solution

The fourth proportional to 840,301.46, 1,159,714.04 and 477,779.63 is: 659,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,301.46 : 1,159,714.04 = 477,779.63 : x
  2. Step 2: Convert to fraction form
    840,301.46/1,159,714.04 = 477,779.63/x
  3. Step 3: Cross multiply
    840,301.46x = 1,159,714.04 × 477,779.63
  4. Step 4: Simplify right side
    840,301.46x = 554,087,736,749.54
  5. Step 5: Solve for x
    x = 554,087,736,749.54/840,301.46
  6. Step 6: Final answer
    x = 659,391.62

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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.