Home / 830,435.67-1,146,001.20-448,462.41

Finding the Fourth Proportional to 830,435.67, 1,146,001.20 and 448,462.41

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Solution

The fourth proportional to 830,435.67, 1,146,001.20 and 448,462.41 is: 618,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,435.67 : 1,146,001.20 = 448,462.41 : x
  2. Step 2: Convert to fraction form
    830,435.67/1,146,001.20 = 448,462.41/x
  3. Step 3: Cross multiply
    830,435.67x = 1,146,001.20 × 448,462.41
  4. Step 4: Simplify right side
    830,435.67x = 513,938,460,014.89
  5. Step 5: Solve for x
    x = 513,938,460,014.89/830,435.67
  6. Step 6: Final answer
    x = 618,878.11

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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.