Home / 942,313.52-1,300,275-637,054.16

Finding the Fourth Proportional to 942,313.52, 1,300,275 and 637,054.16

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Solution

The fourth proportional to 942,313.52, 1,300,275 and 637,054.16 is: 879,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,313.52 : 1,300,275 = 637,054.16 : x
  2. Step 2: Convert to fraction form
    942,313.52/1,300,275 = 637,054.16/x
  3. Step 3: Cross multiply
    942,313.52x = 1,300,275 × 637,054.16
  4. Step 4: Simplify right side
    942,313.52x = 828,345,597,894
  5. Step 5: Solve for x
    x = 828,345,597,894/942,313.52
  6. Step 6: Final answer
    x = 879,055.20

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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.