Home / 803,430.39-1,205,152.65-204,392.18

Finding the Fourth Proportional to 803,430.39, 1,205,152.65 and 204,392.18

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Solution

The fourth proportional to 803,430.39, 1,205,152.65 and 204,392.18 is: 306,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,430.39 : 1,205,152.65 = 204,392.18 : x
  2. Step 2: Convert to fraction form
    803,430.39/1,205,152.65 = 204,392.18/x
  3. Step 3: Cross multiply
    803,430.39x = 1,205,152.65 × 204,392.18
  4. Step 4: Simplify right side
    803,430.39x = 246,323,771,340.51
  5. Step 5: Solve for x
    x = 246,323,771,340.51/803,430.39
  6. Step 6: Final answer
    x = 306,590.06

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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.