Home / 820,907.35-1,132,804.54-458,354.16

Finding the Fourth Proportional to 820,907.35, 1,132,804.54 and 458,354.16

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Solution

The fourth proportional to 820,907.35, 1,132,804.54 and 458,354.16 is: 632,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,907.35 : 1,132,804.54 = 458,354.16 : x
  2. Step 2: Convert to fraction form
    820,907.35/1,132,804.54 = 458,354.16/x
  3. Step 3: Cross multiply
    820,907.35x = 1,132,804.54 × 458,354.16
  4. Step 4: Simplify right side
    820,907.35x = 519,225,673,948.83
  5. Step 5: Solve for x
    x = 519,225,673,948.83/820,907.35
  6. Step 6: Final answer
    x = 632,502.16

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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.