Home / 734,255.02-1,013,336.04-428,429.92

Finding the Fourth Proportional to 734,255.02, 1,013,336.04 and 428,429.92

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Solution

The fourth proportional to 734,255.02, 1,013,336.04 and 428,429.92 is: 591,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,255.02 : 1,013,336.04 = 428,429.92 : x
  2. Step 2: Convert to fraction form
    734,255.02/1,013,336.04 = 428,429.92/x
  3. Step 3: Cross multiply
    734,255.02x = 1,013,336.04 × 428,429.92
  4. Step 4: Simplify right side
    734,255.02x = 434,143,473,483.64
  5. Step 5: Solve for x
    x = 434,143,473,483.64/734,255.02
  6. Step 6: Final answer
    x = 591,270.70

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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.