Home / 804,501.81-1,109,895.05-518,188.07

Finding the Fourth Proportional to 804,501.81, 1,109,895.05 and 518,188.07

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Solution

The fourth proportional to 804,501.81, 1,109,895.05 and 518,188.07 is: 714,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,501.81 : 1,109,895.05 = 518,188.07 : x
  2. Step 2: Convert to fraction form
    804,501.81/1,109,895.05 = 518,188.07/x
  3. Step 3: Cross multiply
    804,501.81x = 1,109,895.05 × 518,188.07
  4. Step 4: Simplify right side
    804,501.81x = 575,134,373,862.05
  5. Step 5: Solve for x
    x = 575,134,373,862.05/804,501.81
  6. Step 6: Final answer
    x = 714,895.07

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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.