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Finding the Fourth Proportional to 476,573.76, 657,701.28 and 264,605.76

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Solution

The fourth proportional to 476,573.76, 657,701.28 and 264,605.76 is: 365,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,573.76 : 657,701.28 = 264,605.76 : x
  2. Step 2: Convert to fraction form
    476,573.76/657,701.28 = 264,605.76/x
  3. Step 3: Cross multiply
    476,573.76x = 657,701.28 × 264,605.76
  4. Step 4: Simplify right side
    476,573.76x = 174,031,547,047.37
  5. Step 5: Solve for x
    x = 174,031,547,047.37/476,573.76
  6. Step 6: Final answer
    x = 365,172.32

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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.