Home / 760,498.80-1,140,316.26-310,693.06

Finding the Fourth Proportional to 760,498.80, 1,140,316.26 and 310,693.06

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Solution

The fourth proportional to 760,498.80, 1,140,316.26 and 310,693.06 is: 465,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,498.80 : 1,140,316.26 = 310,693.06 : x
  2. Step 2: Convert to fraction form
    760,498.80/1,140,316.26 = 310,693.06/x
  3. Step 3: Cross multiply
    760,498.80x = 1,140,316.26 × 310,693.06
  4. Step 4: Simplify right side
    760,498.80x = 354,288,348,187.16
  5. Step 5: Solve for x
    x = 354,288,348,187.16/760,498.80
  6. Step 6: Final answer
    x = 465,863.13

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1.5x scale

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.