Home / 915,126.30-1,262,949.93-507,356.10

Finding the Fourth Proportional to 915,126.30, 1,262,949.93 and 507,356.10

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Solution

The fourth proportional to 915,126.30, 1,262,949.93 and 507,356.10 is: 700,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,126.30 : 1,262,949.93 = 507,356.10 : x
  2. Step 2: Convert to fraction form
    915,126.30/1,262,949.93 = 507,356.10/x
  3. Step 3: Cross multiply
    915,126.30x = 1,262,949.93 × 507,356.10
  4. Step 4: Simplify right side
    915,126.30x = 640,765,350,980.07
  5. Step 5: Solve for x
    x = 640,765,350,980.07/915,126.30
  6. Step 6: Final answer
    x = 700,193.35

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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.