Home / 853,347.96-1,177,543.98-490,675.32

Finding the Fourth Proportional to 853,347.96, 1,177,543.98 and 490,675.32

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Solution

The fourth proportional to 853,347.96, 1,177,543.98 and 490,675.32 is: 677,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,347.96 : 1,177,543.98 = 490,675.32 : x
  2. Step 2: Convert to fraction form
    853,347.96/1,177,543.98 = 490,675.32/x
  3. Step 3: Cross multiply
    853,347.96x = 1,177,543.98 × 490,675.32
  4. Step 4: Simplify right side
    853,347.96x = 577,791,769,200.57
  5. Step 5: Solve for x
    x = 577,791,769,200.57/853,347.96
  6. Step 6: Final answer
    x = 677,088.12

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1.5x scale

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.