Home / 909,943.49-1,255,718.46-502,070.71

Finding the Fourth Proportional to 909,943.49, 1,255,718.46 and 502,070.71

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Solution

The fourth proportional to 909,943.49, 1,255,718.46 and 502,070.71 is: 692,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,943.49 : 1,255,718.46 = 502,070.71 : x
  2. Step 2: Convert to fraction form
    909,943.49/1,255,718.46 = 502,070.71/x
  3. Step 3: Cross multiply
    909,943.49x = 1,255,718.46 × 502,070.71
  4. Step 4: Simplify right side
    909,943.49x = 630,459,458,772.31
  5. Step 5: Solve for x
    x = 630,459,458,772.31/909,943.49
  6. Step 6: Final answer
    x = 692,855.62

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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.