Home / 676,864.66-1,015,075.54-316,924.10

Finding the Fourth Proportional to 676,864.66, 1,015,075.54 and 316,924.10

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Solution

The fourth proportional to 676,864.66, 1,015,075.54 and 316,924.10 is: 475,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,864.66 : 1,015,075.54 = 316,924.10 : x
  2. Step 2: Convert to fraction form
    676,864.66/1,015,075.54 = 316,924.10/x
  3. Step 3: Cross multiply
    676,864.66x = 1,015,075.54 × 316,924.10
  4. Step 4: Simplify right side
    676,864.66x = 321,701,901,946.51
  5. Step 5: Solve for x
    x = 321,701,901,946.51/676,864.66
  6. Step 6: Final answer
    x = 475,282.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.