Home / 820,938.02-1,132,883.69-458,368.04

Finding the Fourth Proportional to 820,938.02, 1,132,883.69 and 458,368.04

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Solution

The fourth proportional to 820,938.02, 1,132,883.69 and 458,368.04 is: 632,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,938.02 : 1,132,883.69 = 458,368.04 : x
  2. Step 2: Convert to fraction form
    820,938.02/1,132,883.69 = 458,368.04/x
  3. Step 3: Cross multiply
    820,938.02x = 1,132,883.69 × 458,368.04
  4. Step 4: Simplify right side
    820,938.02x = 519,277,676,533.27
  5. Step 5: Solve for x
    x = 519,277,676,533.27/820,938.02
  6. Step 6: Final answer
    x = 632,541.88

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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.