Home / 808,547.10-1,212,966.45-335,280.30

Finding the Fourth Proportional to 808,547.10, 1,212,966.45 and 335,280.30

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Solution

The fourth proportional to 808,547.10, 1,212,966.45 and 335,280.30 is: 502,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,547.10 : 1,212,966.45 = 335,280.30 : x
  2. Step 2: Convert to fraction form
    808,547.10/1,212,966.45 = 335,280.30/x
  3. Step 3: Cross multiply
    808,547.10x = 1,212,966.45 × 335,280.30
  4. Step 4: Simplify right side
    808,547.10x = 406,683,755,245.94
  5. Step 5: Solve for x
    x = 406,683,755,245.94/808,547.10
  6. Step 6: Final answer
    x = 502,980.91

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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.