Home / 970,493.55-1,339,263.16-528,971.93

Finding the Fourth Proportional to 970,493.55, 1,339,263.16 and 528,971.93

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Solution

The fourth proportional to 970,493.55, 1,339,263.16 and 528,971.93 is: 729,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,493.55 : 1,339,263.16 = 528,971.93 : x
  2. Step 2: Convert to fraction form
    970,493.55/1,339,263.16 = 528,971.93/x
  3. Step 3: Cross multiply
    970,493.55x = 1,339,263.16 × 528,971.93
  4. Step 4: Simplify right side
    970,493.55x = 708,432,626,035.41
  5. Step 5: Solve for x
    x = 708,432,626,035.41/970,493.55
  6. Step 6: Final answer
    x = 729,971.49

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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.