Home / 970,378.10-1,456,085.55-437,981.30

Finding the Fourth Proportional to 970,378.10, 1,456,085.55 and 437,981.30

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Solution

The fourth proportional to 970,378.10, 1,456,085.55 and 437,981.30 is: 657,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,378.10 : 1,456,085.55 = 437,981.30 : x
  2. Step 2: Convert to fraction form
    970,378.10/1,456,085.55 = 437,981.30/x
  3. Step 3: Cross multiply
    970,378.10x = 1,456,085.55 × 437,981.30
  4. Step 4: Simplify right side
    970,378.10x = 637,738,242,100.22
  5. Step 5: Solve for x
    x = 637,738,242,100.22/970,378.10
  6. Step 6: Final answer
    x = 657,205.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.