Home / 760,015.20-1,048,728.78-437,829.60

Finding the Fourth Proportional to 760,015.20, 1,048,728.78 and 437,829.60

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Solution

The fourth proportional to 760,015.20, 1,048,728.78 and 437,829.60 is: 604,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,015.20 : 1,048,728.78 = 437,829.60 : x
  2. Step 2: Convert to fraction form
    760,015.20/1,048,728.78 = 437,829.60/x
  3. Step 3: Cross multiply
    760,015.20x = 1,048,728.78 × 437,829.60
  4. Step 4: Simplify right side
    760,015.20x = 459,164,502,255.89
  5. Step 5: Solve for x
    x = 459,164,502,255.89/760,015.20
  6. Step 6: Final answer
    x = 604,151.74

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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.