Home / 712,880.02-983,774.28-426,467.44

Finding the Fourth Proportional to 712,880.02, 983,774.28 and 426,467.44

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Solution

The fourth proportional to 712,880.02, 983,774.28 and 426,467.44 is: 588,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,880.02 : 983,774.28 = 426,467.44 : x
  2. Step 2: Convert to fraction form
    712,880.02/983,774.28 = 426,467.44/x
  3. Step 3: Cross multiply
    712,880.02x = 983,774.28 × 426,467.44
  4. Step 4: Simplify right side
    712,880.02x = 419,547,698,729.44
  5. Step 5: Solve for x
    x = 419,547,698,729.44/712,880.02
  6. Step 6: Final answer
    x = 588,524.98

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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.