Home / 995,070.07-1,492,316.46-387,722.91

Finding the Fourth Proportional to 995,070.07, 1,492,316.46 and 387,722.91

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Solution

The fourth proportional to 995,070.07, 1,492,316.46 and 387,722.91 is: 581,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,070.07 : 1,492,316.46 = 387,722.91 : x
  2. Step 2: Convert to fraction form
    995,070.07/1,492,316.46 = 387,722.91/x
  3. Step 3: Cross multiply
    995,070.07x = 1,492,316.46 × 387,722.91
  4. Step 4: Simplify right side
    995,070.07x = 578,605,274,607.34
  5. Step 5: Solve for x
    x = 578,605,274,607.34/995,070.07
  6. Step 6: Final answer
    x = 581,471.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.