Home / 760,034.53-1,048,650.87-453,985.75

Finding the Fourth Proportional to 760,034.53, 1,048,650.87 and 453,985.75

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Solution

The fourth proportional to 760,034.53, 1,048,650.87 and 453,985.75 is: 626,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,034.53 : 1,048,650.87 = 453,985.75 : x
  2. Step 2: Convert to fraction form
    760,034.53/1,048,650.87 = 453,985.75/x
  3. Step 3: Cross multiply
    760,034.53x = 1,048,650.87 × 453,985.75
  4. Step 4: Simplify right side
    760,034.53x = 476,072,551,705.10
  5. Step 5: Solve for x
    x = 476,072,551,705.10/760,034.53
  6. Step 6: Final answer
    x = 626,382.79

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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.