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Finding the Fourth Proportional to 543,852.51, 750,307.10 and 400,952.31

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Solution

The fourth proportional to 543,852.51, 750,307.10 and 400,952.31 is: 553,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,852.51 : 750,307.10 = 400,952.31 : x
  2. Step 2: Convert to fraction form
    543,852.51/750,307.10 = 400,952.31/x
  3. Step 3: Cross multiply
    543,852.51x = 750,307.10 × 400,952.31
  4. Step 4: Simplify right side
    543,852.51x = 300,837,362,949.64
  5. Step 5: Solve for x
    x = 300,837,362,949.64/543,852.51
  6. Step 6: Final answer
    x = 553,159.83

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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.