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Finding the Fourth Proportional to 721,503.52, 996,075.28 and 435,096.16

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Solution

The fourth proportional to 721,503.52, 996,075.28 and 435,096.16 is: 600,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,503.52 : 996,075.28 = 435,096.16 : x
  2. Step 2: Convert to fraction form
    721,503.52/996,075.28 = 435,096.16/x
  3. Step 3: Cross multiply
    721,503.52x = 996,075.28 × 435,096.16
  4. Step 4: Simplify right side
    721,503.52x = 433,388,529,398.93
  5. Step 5: Solve for x
    x = 433,388,529,398.93/721,503.52
  6. Step 6: Final answer
    x = 600,674.17

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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.