Home / 980,545.68-1,353,210.84-738,401.04

Finding the Fourth Proportional to 980,545.68, 1,353,210.84 and 738,401.04

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Solution

The fourth proportional to 980,545.68, 1,353,210.84 and 738,401.04 is: 1,019,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,545.68 : 1,353,210.84 = 738,401.04 : x
  2. Step 2: Convert to fraction form
    980,545.68/1,353,210.84 = 738,401.04/x
  3. Step 3: Cross multiply
    980,545.68x = 1,353,210.84 × 738,401.04
  4. Step 4: Simplify right side
    980,545.68x = 999,212,291,595.27
  5. Step 5: Solve for x
    x = 999,212,291,595.27/980,545.68
  6. Step 6: Final answer
    x = 1,019,036.96

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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.