Home / 630,688.04-946,039.08-209,963.24

Finding the Fourth Proportional to 630,688.04, 946,039.08 and 209,963.24

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Solution

The fourth proportional to 630,688.04, 946,039.08 and 209,963.24 is: 314,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,688.04 : 946,039.08 = 209,963.24 : x
  2. Step 2: Convert to fraction form
    630,688.04/946,039.08 = 209,963.24/x
  3. Step 3: Cross multiply
    630,688.04x = 946,039.08 × 209,963.24
  4. Step 4: Simplify right side
    630,688.04x = 198,633,430,403.42
  5. Step 5: Solve for x
    x = 198,633,430,403.42/630,688.04
  6. Step 6: Final answer
    x = 314,947.20

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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.