Home / 858,520.45-1,184,762.80-536,417.34

Finding the Fourth Proportional to 858,520.45, 1,184,762.80 and 536,417.34

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Solution

The fourth proportional to 858,520.45, 1,184,762.80 and 536,417.34 is: 740,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,520.45 : 1,184,762.80 = 536,417.34 : x
  2. Step 2: Convert to fraction form
    858,520.45/1,184,762.80 = 536,417.34/x
  3. Step 3: Cross multiply
    858,520.45x = 1,184,762.80 × 536,417.34
  4. Step 4: Simplify right side
    858,520.45x = 635,527,302,442.10
  5. Step 5: Solve for x
    x = 635,527,302,442.10/858,520.45
  6. Step 6: Final answer
    x = 740,258.78

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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.