Home / 830,664.09-1,146,316.27-448,690.88

Finding the Fourth Proportional to 830,664.09, 1,146,316.27 and 448,690.88

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Solution

The fourth proportional to 830,664.09, 1,146,316.27 and 448,690.88 is: 619,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,664.09 : 1,146,316.27 = 448,690.88 : x
  2. Step 2: Convert to fraction form
    830,664.09/1,146,316.27 = 448,690.88/x
  3. Step 3: Cross multiply
    830,664.09x = 1,146,316.27 × 448,690.88
  4. Step 4: Simplify right side
    830,664.09x = 514,341,649,091.31
  5. Step 5: Solve for x
    x = 514,341,649,091.31/830,664.09
  6. Step 6: Final answer
    x = 619,193.31

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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.