Home / 830,432.29-1,145,996.55-448,459.04

Finding the Fourth Proportional to 830,432.29, 1,145,996.55 and 448,459.04

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Solution

The fourth proportional to 830,432.29, 1,145,996.55 and 448,459.04 is: 618,873.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,432.29 : 1,145,996.55 = 448,459.04 : x
  2. Step 2: Convert to fraction form
    830,432.29/1,145,996.55 = 448,459.04/x
  3. Step 3: Cross multiply
    830,432.29x = 1,145,996.55 × 448,459.04
  4. Step 4: Simplify right side
    830,432.29x = 513,932,506,926.33
  5. Step 5: Solve for x
    x = 513,932,506,926.33/830,432.29
  6. Step 6: Final answer
    x = 618,873.46

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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.