Home / 830,452.55-1,146,024.55-448,479.33

Finding the Fourth Proportional to 830,452.55, 1,146,024.55 and 448,479.33

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Solution

The fourth proportional to 830,452.55, 1,146,024.55 and 448,479.33 is: 618,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,452.55 : 1,146,024.55 = 448,479.33 : x
  2. Step 2: Convert to fraction form
    830,452.55/1,146,024.55 = 448,479.33/x
  3. Step 3: Cross multiply
    830,452.55x = 1,146,024.55 × 448,479.33
  4. Step 4: Simplify right side
    830,452.55x = 513,968,325,056.95
  5. Step 5: Solve for x
    x = 513,968,325,056.95/830,452.55
  6. Step 6: Final answer
    x = 618,901.49

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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.