Home / 578,215.16-797,946.38-316,566.10

Finding the Fourth Proportional to 578,215.16, 797,946.38 and 316,566.10

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Solution

The fourth proportional to 578,215.16, 797,946.38 and 316,566.10 is: 436,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,215.16 : 797,946.38 = 316,566.10 : x
  2. Step 2: Convert to fraction form
    578,215.16/797,946.38 = 316,566.10/x
  3. Step 3: Cross multiply
    578,215.16x = 797,946.38 × 316,566.10
  4. Step 4: Simplify right side
    578,215.16x = 252,602,773,525.72
  5. Step 5: Solve for x
    x = 252,602,773,525.72/578,215.16
  6. Step 6: Final answer
    x = 436,866.40

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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.