Home / 909,937.80-1,255,718.52-502,039.62

Finding the Fourth Proportional to 909,937.80, 1,255,718.52 and 502,039.62

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Solution

The fourth proportional to 909,937.80, 1,255,718.52 and 502,039.62 is: 692,817.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,937.80 : 1,255,718.52 = 502,039.62 : x
  2. Step 2: Convert to fraction form
    909,937.80/1,255,718.52 = 502,039.62/x
  3. Step 3: Cross multiply
    909,937.80x = 1,255,718.52 × 502,039.62
  4. Step 4: Simplify right side
    909,937.80x = 630,420,448,607.76
  5. Step 5: Solve for x
    x = 630,420,448,607.76/909,937.80
  6. Step 6: Final answer
    x = 692,817.08

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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.