Home / 915,095.79-1,262,907.77-507,325.54

Finding the Fourth Proportional to 915,095.79, 1,262,907.77 and 507,325.54

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Solution

The fourth proportional to 915,095.79, 1,262,907.77 and 507,325.54 is: 700,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,095.79 : 1,262,907.77 = 507,325.54 : x
  2. Step 2: Convert to fraction form
    915,095.79/1,262,907.77 = 507,325.54/x
  3. Step 3: Cross multiply
    915,095.79x = 1,262,907.77 × 507,325.54
  4. Step 4: Simplify right side
    915,095.79x = 640,705,366,385.45
  5. Step 5: Solve for x
    x = 640,705,366,385.45/915,095.79
  6. Step 6: Final answer
    x = 700,151.15

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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.