Home / 889,312.86-1,226,945.07-502,079.94

Finding the Fourth Proportional to 889,312.86, 1,226,945.07 and 502,079.94

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Solution

The fourth proportional to 889,312.86, 1,226,945.07 and 502,079.94 is: 692,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,312.86 : 1,226,945.07 = 502,079.94 : x
  2. Step 2: Convert to fraction form
    889,312.86/1,226,945.07 = 502,079.94/x
  3. Step 3: Cross multiply
    889,312.86x = 1,226,945.07 × 502,079.94
  4. Step 4: Simplify right side
    889,312.86x = 616,024,507,128.90
  5. Step 5: Solve for x
    x = 616,024,507,128.90/889,312.86
  6. Step 6: Final answer
    x = 692,697.18

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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.