Home / 942,279.84-1,300,332.48-512,563.44

Finding the Fourth Proportional to 942,279.84, 1,300,332.48 and 512,563.44

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Solution

The fourth proportional to 942,279.84, 1,300,332.48 and 512,563.44 is: 707,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,279.84 : 1,300,332.48 = 512,563.44 : x
  2. Step 2: Convert to fraction form
    942,279.84/1,300,332.48 = 512,563.44/x
  3. Step 3: Cross multiply
    942,279.84x = 1,300,332.48 × 512,563.44
  4. Step 4: Simplify right side
    942,279.84x = 666,502,889,092.53
  5. Step 5: Solve for x
    x = 666,502,889,092.53/942,279.84
  6. Step 6: Final answer
    x = 707,330.10

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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.