Home / 385,370.37-577,307.47-283,984.38

Finding the Fourth Proportional to 385,370.37, 577,307.47 and 283,984.38

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Solution

The fourth proportional to 385,370.37, 577,307.47 and 283,984.38 is: 425,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,370.37 : 577,307.47 = 283,984.38 : x
  2. Step 2: Convert to fraction form
    385,370.37/577,307.47 = 283,984.38/x
  3. Step 3: Cross multiply
    385,370.37x = 577,307.47 × 283,984.38
  4. Step 4: Simplify right side
    385,370.37x = 163,946,303,937.32
  5. Step 5: Solve for x
    x = 163,946,303,937.32/385,370.37
  6. Step 6: Final answer
    x = 425,425.30

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1.5x scale

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.