Home / 898,400.40-1,347,272.55-299,381.10

Finding the Fourth Proportional to 898,400.40, 1,347,272.55 and 299,381.10

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Solution

The fourth proportional to 898,400.40, 1,347,272.55 and 299,381.10 is: 448,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,400.40 : 1,347,272.55 = 299,381.10 : x
  2. Step 2: Convert to fraction form
    898,400.40/1,347,272.55 = 299,381.10/x
  3. Step 3: Cross multiply
    898,400.40x = 1,347,272.55 × 299,381.10
  4. Step 4: Simplify right side
    898,400.40x = 403,347,938,018.81
  5. Step 5: Solve for x
    x = 403,347,938,018.81/898,400.40
  6. Step 6: Final answer
    x = 448,962.33

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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.