Home / 770,259.30-1,062,599.63-498,414.95

Finding the Fourth Proportional to 770,259.30, 1,062,599.63 and 498,414.95

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Solution

The fourth proportional to 770,259.30, 1,062,599.63 and 498,414.95 is: 687,580.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,259.30 : 1,062,599.63 = 498,414.95 : x
  2. Step 2: Convert to fraction form
    770,259.30/1,062,599.63 = 498,414.95/x
  3. Step 3: Cross multiply
    770,259.30x = 1,062,599.63 × 498,414.95
  4. Step 4: Simplify right side
    770,259.30x = 529,615,537,389.51
  5. Step 5: Solve for x
    x = 529,615,537,389.51/770,259.30
  6. Step 6: Final answer
    x = 687,580.84

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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.