Home / 630,130.60-945,810.30-314,943.40

Finding the Fourth Proportional to 630,130.60, 945,810.30 and 314,943.40

Calculator

Solution

The fourth proportional to 630,130.60, 945,810.30 and 314,943.40 is: 472,722.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,130.60 : 945,810.30 = 314,943.40 : x
  2. Step 2: Convert to fraction form
    630,130.60/945,810.30 = 314,943.40/x
  3. Step 3: Cross multiply
    630,130.60x = 945,810.30 × 314,943.40
  4. Step 4: Simplify right side
    630,130.60x = 297,876,711,637.02
  5. Step 5: Solve for x
    x = 297,876,711,637.02/630,130.60
  6. Step 6: Final answer
    x = 472,722.18

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.