Home / 734,017.23-1,012,931.55-428,271.39

Finding the Fourth Proportional to 734,017.23, 1,012,931.55 and 428,271.39

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Solution

The fourth proportional to 734,017.23, 1,012,931.55 and 428,271.39 is: 591,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,017.23 : 1,012,931.55 = 428,271.39 : x
  2. Step 2: Convert to fraction form
    734,017.23/1,012,931.55 = 428,271.39/x
  3. Step 3: Cross multiply
    734,017.23x = 1,012,931.55 × 428,271.39
  4. Step 4: Simplify right side
    734,017.23x = 433,809,602,893.36
  5. Step 5: Solve for x
    x = 433,809,602,893.36/734,017.23
  6. Step 6: Final answer
    x = 591,007.38

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Double scale
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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.