Home / 978,322.02-1,350,278.02-634,583.94

Finding the Fourth Proportional to 978,322.02, 1,350,278.02 and 634,583.94

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Solution

The fourth proportional to 978,322.02, 1,350,278.02 and 634,583.94 is: 875,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,322.02 : 1,350,278.02 = 634,583.94 : x
  2. Step 2: Convert to fraction form
    978,322.02/1,350,278.02 = 634,583.94/x
  3. Step 3: Cross multiply
    978,322.02x = 1,350,278.02 × 634,583.94
  4. Step 4: Simplify right side
    978,322.02x = 856,864,746,820.23
  5. Step 5: Solve for x
    x = 856,864,746,820.23/978,322.02
  6. Step 6: Final answer
    x = 875,851.44

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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.