Home / 538,895.07-808,342.55-302,256.20

Finding the Fourth Proportional to 538,895.07, 808,342.55 and 302,256.20

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Solution

The fourth proportional to 538,895.07, 808,342.55 and 302,256.20 is: 453,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,895.07 : 808,342.55 = 302,256.20 : x
  2. Step 2: Convert to fraction form
    538,895.07/808,342.55 = 302,256.20/x
  3. Step 3: Cross multiply
    538,895.07x = 808,342.55 × 302,256.20
  4. Step 4: Simplify right side
    538,895.07x = 244,326,547,461.31
  5. Step 5: Solve for x
    x = 244,326,547,461.31/538,895.07
  6. Step 6: Final answer
    x = 453,384.27

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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.