Home / 830,015.10-1,245,022.65-604,316.70

Finding the Fourth Proportional to 830,015.10, 1,245,022.65 and 604,316.70

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Solution

The fourth proportional to 830,015.10, 1,245,022.65 and 604,316.70 is: 906,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,015.10 : 1,245,022.65 = 604,316.70 : x
  2. Step 2: Convert to fraction form
    830,015.10/1,245,022.65 = 604,316.70/x
  3. Step 3: Cross multiply
    830,015.10x = 1,245,022.65 × 604,316.70
  4. Step 4: Simplify right side
    830,015.10x = 752,387,979,273.26
  5. Step 5: Solve for x
    x = 752,387,979,273.26/830,015.10
  6. Step 6: Final answer
    x = 906,475.05

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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.