Home / 760,503.80-1,140,323.76-310,698.04

Finding the Fourth Proportional to 760,503.80, 1,140,323.76 and 310,698.04

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Solution

The fourth proportional to 760,503.80, 1,140,323.76 and 310,698.04 is: 465,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,503.80 : 1,140,323.76 = 310,698.04 : x
  2. Step 2: Convert to fraction form
    760,503.80/1,140,323.76 = 310,698.04/x
  3. Step 3: Cross multiply
    760,503.80x = 1,140,323.76 × 310,698.04
  4. Step 4: Simplify right side
    760,503.80x = 354,296,357,197.43
  5. Step 5: Solve for x
    x = 354,296,357,197.43/760,503.80
  6. Step 6: Final answer
    x = 465,870.59

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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.