Home / 760,339.63-1,140,762.80-254,950.57

Finding the Fourth Proportional to 760,339.63, 1,140,762.80 and 254,950.57

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Solution

The fourth proportional to 760,339.63, 1,140,762.80 and 254,950.57 is: 382,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,339.63 : 1,140,762.80 = 254,950.57 : x
  2. Step 2: Convert to fraction form
    760,339.63/1,140,762.80 = 254,950.57/x
  3. Step 3: Cross multiply
    760,339.63x = 1,140,762.80 × 254,950.57
  4. Step 4: Simplify right side
    760,339.63x = 290,838,126,094.80
  5. Step 5: Solve for x
    x = 290,838,126,094.80/760,339.63
  6. Step 6: Final answer
    x = 382,510.81

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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.