Home / 771,573.33-1,064,771.02-427,431.53

Finding the Fourth Proportional to 771,573.33, 1,064,771.02 and 427,431.53

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Solution

The fourth proportional to 771,573.33, 1,064,771.02 and 427,431.53 is: 589,855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,573.33 : 1,064,771.02 = 427,431.53 : x
  2. Step 2: Convert to fraction form
    771,573.33/1,064,771.02 = 427,431.53/x
  3. Step 3: Cross multiply
    771,573.33x = 1,064,771.02 × 427,431.53
  4. Step 4: Simplify right side
    771,573.33x = 455,116,709,374.48
  5. Step 5: Solve for x
    x = 455,116,709,374.48/771,573.33
  6. Step 6: Final answer
    x = 589,855.42

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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.