Home / 820,929.51-1,132,871.99-458,359.53

Finding the Fourth Proportional to 820,929.51, 1,132,871.99 and 458,359.53

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Solution

The fourth proportional to 820,929.51, 1,132,871.99 and 458,359.53 is: 632,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,929.51 : 1,132,871.99 = 458,359.53 : x
  2. Step 2: Convert to fraction form
    820,929.51/1,132,871.99 = 458,359.53/x
  3. Step 3: Cross multiply
    820,929.51x = 1,132,871.99 × 458,359.53
  4. Step 4: Simplify right side
    820,929.51x = 519,262,670,594.77
  5. Step 5: Solve for x
    x = 519,262,670,594.77/820,929.51
  6. Step 6: Final answer
    x = 632,530.16

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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.