Home / 684,303.80-1,026,455.70-185,667.80

Finding the Fourth Proportional to 684,303.80, 1,026,455.70 and 185,667.80

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Solution

The fourth proportional to 684,303.80, 1,026,455.70 and 185,667.80 is: 278,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,303.80 : 1,026,455.70 = 185,667.80 : x
  2. Step 2: Convert to fraction form
    684,303.80/1,026,455.70 = 185,667.80/x
  3. Step 3: Cross multiply
    684,303.80x = 1,026,455.70 × 185,667.80
  4. Step 4: Simplify right side
    684,303.80x = 190,579,771,616.46
  5. Step 5: Solve for x
    x = 190,579,771,616.46/684,303.80
  6. Step 6: Final answer
    x = 278,501.70

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Double scale
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Similar ratio
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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.