Home / 528,972.48-730,480.23-368,266.95

Finding the Fourth Proportional to 528,972.48, 730,480.23 and 368,266.95

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Solution

The fourth proportional to 528,972.48, 730,480.23 and 368,266.95 is: 508,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,972.48 : 730,480.23 = 368,266.95 : x
  2. Step 2: Convert to fraction form
    528,972.48/730,480.23 = 368,266.95/x
  3. Step 3: Cross multiply
    528,972.48x = 730,480.23 × 368,266.95
  4. Step 4: Simplify right side
    528,972.48x = 269,011,726,337.40
  5. Step 5: Solve for x
    x = 269,011,726,337.40/528,972.48
  6. Step 6: Final answer
    x = 508,555.24

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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.