Home / 804,740.40-1,205,728.20-524,113.20

Finding the Fourth Proportional to 804,740.40, 1,205,728.20 and 524,113.20

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Solution

The fourth proportional to 804,740.40, 1,205,728.20 and 524,113.20 is: 785,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,740.40 : 1,205,728.20 = 524,113.20 : x
  2. Step 2: Convert to fraction form
    804,740.40/1,205,728.20 = 524,113.20/x
  3. Step 3: Cross multiply
    804,740.40x = 1,205,728.20 × 524,113.20
  4. Step 4: Simplify right side
    804,740.40x = 631,938,065,232.24
  5. Step 5: Solve for x
    x = 631,938,065,232.24/804,740.40
  6. Step 6: Final answer
    x = 785,269.47

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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.