Home / 746,045.04-1,119,398.34-390,974.64

Finding the Fourth Proportional to 746,045.04, 1,119,398.34 and 390,974.64

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Solution

The fourth proportional to 746,045.04, 1,119,398.34 and 390,974.64 is: 586,635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,045.04 : 1,119,398.34 = 390,974.64 : x
  2. Step 2: Convert to fraction form
    746,045.04/1,119,398.34 = 390,974.64/x
  3. Step 3: Cross multiply
    746,045.04x = 1,119,398.34 × 390,974.64
  4. Step 4: Simplify right side
    746,045.04x = 437,656,362,998.10
  5. Step 5: Solve for x
    x = 437,656,362,998.10/746,045.04
  6. Step 6: Final answer
    x = 586,635.31

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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.