Home / 749,114.44-1,033,088.51-490,897.60

Finding the Fourth Proportional to 749,114.44, 1,033,088.51 and 490,897.60

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Solution

The fourth proportional to 749,114.44, 1,033,088.51 and 490,897.60 is: 676,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,114.44 : 1,033,088.51 = 490,897.60 : x
  2. Step 2: Convert to fraction form
    749,114.44/1,033,088.51 = 490,897.60/x
  3. Step 3: Cross multiply
    749,114.44x = 1,033,088.51 × 490,897.60
  4. Step 4: Simplify right side
    749,114.44x = 507,140,670,920.49
  5. Step 5: Solve for x
    x = 507,140,670,920.49/749,114.44
  6. Step 6: Final answer
    x = 676,986.91

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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.