Home / 900,026.04-1,242,079.02-497,643.96

Finding the Fourth Proportional to 900,026.04, 1,242,079.02 and 497,643.96

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Solution

The fourth proportional to 900,026.04, 1,242,079.02 and 497,643.96 is: 686,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,026.04 : 1,242,079.02 = 497,643.96 : x
  2. Step 2: Convert to fraction form
    900,026.04/1,242,079.02 = 497,643.96/x
  3. Step 3: Cross multiply
    900,026.04x = 1,242,079.02 × 497,643.96
  4. Step 4: Simplify right side
    900,026.04x = 618,113,122,145.72
  5. Step 5: Solve for x
    x = 618,113,122,145.72/900,026.04
  6. Step 6: Final answer
    x = 686,772.49

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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.