Home / 684,818.10-1,027,009.35-235,430.91

Finding the Fourth Proportional to 684,818.10, 1,027,009.35 and 235,430.91

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Solution

The fourth proportional to 684,818.10, 1,027,009.35 and 235,430.91 is: 353,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,818.10 : 1,027,009.35 = 235,430.91 : x
  2. Step 2: Convert to fraction form
    684,818.10/1,027,009.35 = 235,430.91/x
  3. Step 3: Cross multiply
    684,818.10x = 1,027,009.35 × 235,430.91
  4. Step 4: Simplify right side
    684,818.10x = 241,789,745,849.01
  5. Step 5: Solve for x
    x = 241,789,745,849.01/684,818.10
  6. Step 6: Final answer
    x = 353,071.49

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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.