Home / 849,148.65-1,273,681.26-316,628.01

Finding the Fourth Proportional to 849,148.65, 1,273,681.26 and 316,628.01

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Solution

The fourth proportional to 849,148.65, 1,273,681.26 and 316,628.01 is: 474,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,148.65 : 1,273,681.26 = 316,628.01 : x
  2. Step 2: Convert to fraction form
    849,148.65/1,273,681.26 = 316,628.01/x
  3. Step 3: Cross multiply
    849,148.65x = 1,273,681.26 × 316,628.01
  4. Step 4: Simplify right side
    849,148.65x = 403,283,162,728.09
  5. Step 5: Solve for x
    x = 403,283,162,728.09/849,148.65
  6. Step 6: Final answer
    x = 474,926.46

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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.