Home / 900,029.04-1,242,083.16-497,646.96

Finding the Fourth Proportional to 900,029.04, 1,242,083.16 and 497,646.96

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Solution

The fourth proportional to 900,029.04, 1,242,083.16 and 497,646.96 is: 686,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,029.04 : 1,242,083.16 = 497,646.96 : x
  2. Step 2: Convert to fraction form
    900,029.04/1,242,083.16 = 497,646.96/x
  3. Step 3: Cross multiply
    900,029.04x = 1,242,083.16 × 497,646.96
  4. Step 4: Simplify right side
    900,029.04x = 618,118,908,641.19
  5. Step 5: Solve for x
    x = 618,118,908,641.19/900,029.04
  6. Step 6: Final answer
    x = 686,776.63

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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.