Home / 915,098.18-1,262,911.06-507,327.91

Finding the Fourth Proportional to 915,098.18, 1,262,911.06 and 507,327.91

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Solution

The fourth proportional to 915,098.18, 1,262,911.06 and 507,327.91 is: 700,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,098.18 : 1,262,911.06 = 507,327.91 : x
  2. Step 2: Convert to fraction form
    915,098.18/1,262,911.06 = 507,327.91/x
  3. Step 3: Cross multiply
    915,098.18x = 1,262,911.06 × 507,327.91
  4. Step 4: Simplify right side
    915,098.18x = 640,710,026,062.57
  5. Step 5: Solve for x
    x = 640,710,026,062.57/915,098.18
  6. Step 6: Final answer
    x = 700,154.41

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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.