Home / 995,379.84-1,373,630.40-542,678.40

Finding the Fourth Proportional to 995,379.84, 1,373,630.40 and 542,678.40

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Solution

The fourth proportional to 995,379.84, 1,373,630.40 and 542,678.40 is: 748,899.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,379.84 : 1,373,630.40 = 542,678.40 : x
  2. Step 2: Convert to fraction form
    995,379.84/1,373,630.40 = 542,678.40/x
  3. Step 3: Cross multiply
    995,379.84x = 1,373,630.40 × 542,678.40
  4. Step 4: Simplify right side
    995,379.84x = 745,439,547,663.36
  5. Step 5: Solve for x
    x = 745,439,547,663.36/995,379.84
  6. Step 6: Final answer
    x = 748,899.58

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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.