Home / 915,356.98-1,263,267.22-507,586.68

Finding the Fourth Proportional to 915,356.98, 1,263,267.22 and 507,586.68

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Solution

The fourth proportional to 915,356.98, 1,263,267.22 and 507,586.68 is: 700,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,356.98 : 1,263,267.22 = 507,586.68 : x
  2. Step 2: Convert to fraction form
    915,356.98/1,263,267.22 = 507,586.68/x
  3. Step 3: Cross multiply
    915,356.98x = 1,263,267.22 × 507,586.68
  4. Step 4: Simplify right side
    915,356.98x = 641,217,614,152.63
  5. Step 5: Solve for x
    x = 641,217,614,152.63/915,356.98
  6. Step 6: Final answer
    x = 700,510.98

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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.