Home / 767,586.60-1,152,762.30-742,703.40

Finding the Fourth Proportional to 767,586.60, 1,152,762.30 and 742,703.40

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Solution

The fourth proportional to 767,586.60, 1,152,762.30 and 742,703.40 is: 1,115,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,586.60 : 1,152,762.30 = 742,703.40 : x
  2. Step 2: Convert to fraction form
    767,586.60/1,152,762.30 = 742,703.40/x
  3. Step 3: Cross multiply
    767,586.60x = 1,152,762.30 × 742,703.40
  4. Step 4: Simplify right side
    767,586.60x = 856,160,479,601.82
  5. Step 5: Solve for x
    x = 856,160,479,601.82/767,586.60
  6. Step 6: Final answer
    x = 1,115,392.69

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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.