Home / 519,468.72-716,878.02-286,895.04

Finding the Fourth Proportional to 519,468.72, 716,878.02 and 286,895.04

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Solution

The fourth proportional to 519,468.72, 716,878.02 and 286,895.04 is: 395,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,468.72 : 716,878.02 = 286,895.04 : x
  2. Step 2: Convert to fraction form
    519,468.72/716,878.02 = 286,895.04/x
  3. Step 3: Cross multiply
    519,468.72x = 716,878.02 × 286,895.04
  4. Step 4: Simplify right side
    519,468.72x = 205,668,748,223.02
  5. Step 5: Solve for x
    x = 205,668,748,223.02/519,468.72
  6. Step 6: Final answer
    x = 395,921.33

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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.