Home / 830,698.70-1,146,364.83-448,725.51

Finding the Fourth Proportional to 830,698.70, 1,146,364.83 and 448,725.51

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Solution

The fourth proportional to 830,698.70, 1,146,364.83 and 448,725.51 is: 619,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,698.70 : 1,146,364.83 = 448,725.51 : x
  2. Step 2: Convert to fraction form
    830,698.70/1,146,364.83 = 448,725.51/x
  3. Step 3: Cross multiply
    830,698.70x = 1,146,364.83 × 448,725.51
  4. Step 4: Simplify right side
    830,698.70x = 514,403,142,987.81
  5. Step 5: Solve for x
    x = 514,403,142,987.81/830,698.70
  6. Step 6: Final answer
    x = 619,241.54

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Double scale
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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.