Home / 714,312.63-985,795.79-472,175.28

Finding the Fourth Proportional to 714,312.63, 985,795.79 and 472,175.28

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Solution

The fourth proportional to 714,312.63, 985,795.79 and 472,175.28 is: 651,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,312.63 : 985,795.79 = 472,175.28 : x
  2. Step 2: Convert to fraction form
    714,312.63/985,795.79 = 472,175.28/x
  3. Step 3: Cross multiply
    714,312.63x = 985,795.79 × 472,175.28
  4. Step 4: Simplify right side
    714,312.63x = 465,468,400,805.20
  5. Step 5: Solve for x
    x = 465,468,400,805.20/714,312.63
  6. Step 6: Final answer
    x = 651,631.21

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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.