Home / 877,276.90-1,315,915.35-498,051.10

Finding the Fourth Proportional to 877,276.90, 1,315,915.35 and 498,051.10

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Solution

The fourth proportional to 877,276.90, 1,315,915.35 and 498,051.10 is: 747,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,276.90 : 1,315,915.35 = 498,051.10 : x
  2. Step 2: Convert to fraction form
    877,276.90/1,315,915.35 = 498,051.10/x
  3. Step 3: Cross multiply
    877,276.90x = 1,315,915.35 × 498,051.10
  4. Step 4: Simplify right side
    877,276.90x = 655,393,087,574.39
  5. Step 5: Solve for x
    x = 655,393,087,574.39/877,276.90
  6. Step 6: Final answer
    x = 747,076.65

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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.