Home / 578,047.70-867,071.55-554,428.10

Finding the Fourth Proportional to 578,047.70, 867,071.55 and 554,428.10

Calculator

Solution

The fourth proportional to 578,047.70, 867,071.55 and 554,428.10 is: 831,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,047.70 : 867,071.55 = 554,428.10 : x
  2. Step 2: Convert to fraction form
    578,047.70/867,071.55 = 554,428.10/x
  3. Step 3: Cross multiply
    578,047.70x = 867,071.55 × 554,428.10
  4. Step 4: Simplify right side
    578,047.70x = 480,728,832,030.56
  5. Step 5: Solve for x
    x = 480,728,832,030.56/578,047.70
  6. Step 6: Final answer
    x = 831,642.15

Related Problems

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.