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Finding the Fourth Proportional to 610,365.65, 842,479.99 and 368,607.38

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Solution

The fourth proportional to 610,365.65, 842,479.99 and 368,607.38 is: 508,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,365.65 : 842,479.99 = 368,607.38 : x
  2. Step 2: Convert to fraction form
    610,365.65/842,479.99 = 368,607.38/x
  3. Step 3: Cross multiply
    610,365.65x = 842,479.99 × 368,607.38
  4. Step 4: Simplify right side
    610,365.65x = 310,544,336,682.41
  5. Step 5: Solve for x
    x = 310,544,336,682.41/610,365.65
  6. Step 6: Final answer
    x = 508,784.10

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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.