Home / 822,944.64-1,136,307.84-631,655.04

Finding the Fourth Proportional to 822,944.64, 1,136,307.84 and 631,655.04

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Solution

The fourth proportional to 822,944.64, 1,136,307.84 and 631,655.04 is: 872,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,944.64 : 1,136,307.84 = 631,655.04 : x
  2. Step 2: Convert to fraction form
    822,944.64/1,136,307.84 = 631,655.04/x
  3. Step 3: Cross multiply
    822,944.64x = 1,136,307.84 × 631,655.04
  4. Step 4: Simplify right side
    822,944.64x = 717,754,574,127.51
  5. Step 5: Solve for x
    x = 717,754,574,127.51/822,944.64
  6. Step 6: Final answer
    x = 872,178.44

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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.