Home / 821,090.81-1,133,094.61-458,521.04

Finding the Fourth Proportional to 821,090.81, 1,133,094.61 and 458,521.04

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Solution

The fourth proportional to 821,090.81, 1,133,094.61 and 458,521.04 is: 632,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,090.81 : 1,133,094.61 = 458,521.04 : x
  2. Step 2: Convert to fraction form
    821,090.81/1,133,094.61 = 458,521.04/x
  3. Step 3: Cross multiply
    821,090.81x = 1,133,094.61 × 458,521.04
  4. Step 4: Simplify right side
    821,090.81x = 519,547,718,995.59
  5. Step 5: Solve for x
    x = 519,547,718,995.59/821,090.81
  6. Step 6: Final answer
    x = 632,753.06

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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.