Home / 528,420.48-792,164.16-404,315.52

Finding the Fourth Proportional to 528,420.48, 792,164.16 and 404,315.52

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Solution

The fourth proportional to 528,420.48, 792,164.16 and 404,315.52 is: 606,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,420.48 : 792,164.16 = 404,315.52 : x
  2. Step 2: Convert to fraction form
    528,420.48/792,164.16 = 404,315.52/x
  3. Step 3: Cross multiply
    528,420.48x = 792,164.16 × 404,315.52
  4. Step 4: Simplify right side
    528,420.48x = 320,284,264,275.76
  5. Step 5: Solve for x
    x = 320,284,264,275.76/528,420.48
  6. Step 6: Final answer
    x = 606,116.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.