Home / 840,300.16-1,159,628.04-458,326.96

Finding the Fourth Proportional to 840,300.16, 1,159,628.04 and 458,326.96

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Solution

The fourth proportional to 840,300.16, 1,159,628.04 and 458,326.96 is: 632,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,300.16 : 1,159,628.04 = 458,326.96 : x
  2. Step 2: Convert to fraction form
    840,300.16/1,159,628.04 = 458,326.96/x
  3. Step 3: Cross multiply
    840,300.16x = 1,159,628.04 × 458,326.96
  4. Step 4: Simplify right side
    840,300.16x = 531,488,794,303.96
  5. Step 5: Solve for x
    x = 531,488,794,303.96/840,300.16
  6. Step 6: Final answer
    x = 632,498.74

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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.