Home / 803,569.65-1,108,852.81-476,826.35

Finding the Fourth Proportional to 803,569.65, 1,108,852.81 and 476,826.35

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Solution

The fourth proportional to 803,569.65, 1,108,852.81 and 476,826.35 is: 657,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,569.65 : 1,108,852.81 = 476,826.35 : x
  2. Step 2: Convert to fraction form
    803,569.65/1,108,852.81 = 476,826.35/x
  3. Step 3: Cross multiply
    803,569.65x = 1,108,852.81 × 476,826.35
  4. Step 4: Simplify right side
    803,569.65x = 528,730,238,079.54
  5. Step 5: Solve for x
    x = 528,730,238,079.54/803,569.65
  6. Step 6: Final answer
    x = 657,976.86

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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.