Home / 915,152.28-1,262,907.96-501,688.32

Finding the Fourth Proportional to 915,152.28, 1,262,907.96 and 501,688.32

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Solution

The fourth proportional to 915,152.28, 1,262,907.96 and 501,688.32 is: 692,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,152.28 : 1,262,907.96 = 501,688.32 : x
  2. Step 2: Convert to fraction form
    915,152.28/1,262,907.96 = 501,688.32/x
  3. Step 3: Cross multiply
    915,152.28x = 1,262,907.96 × 501,688.32
  4. Step 4: Simplify right side
    915,152.28x = 633,586,166,149.79
  5. Step 5: Solve for x
    x = 633,586,166,149.79/915,152.28
  6. Step 6: Final answer
    x = 692,328.68

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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.