Home / 712,881.02-983,775.66-426,468.44

Finding the Fourth Proportional to 712,881.02, 983,775.66 and 426,468.44

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Solution

The fourth proportional to 712,881.02, 983,775.66 and 426,468.44 is: 588,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,881.02 : 983,775.66 = 426,468.44 : x
  2. Step 2: Convert to fraction form
    712,881.02/983,775.66 = 426,468.44/x
  3. Step 3: Cross multiply
    712,881.02x = 983,775.66 × 426,468.44
  4. Step 4: Simplify right side
    712,881.02x = 419,549,271,030.17
  5. Step 5: Solve for x
    x = 419,549,271,030.17/712,881.02
  6. Step 6: Final answer
    x = 588,526.36

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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.