Home / 847,852.71-1,170,036.47-465,904.10

Finding the Fourth Proportional to 847,852.71, 1,170,036.47 and 465,904.10

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Solution

The fourth proportional to 847,852.71, 1,170,036.47 and 465,904.10 is: 642,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,852.71 : 1,170,036.47 = 465,904.10 : x
  2. Step 2: Convert to fraction form
    847,852.71/1,170,036.47 = 465,904.10/x
  3. Step 3: Cross multiply
    847,852.71x = 1,170,036.47 × 465,904.10
  4. Step 4: Simplify right side
    847,852.71x = 545,124,780,342.82
  5. Step 5: Solve for x
    x = 545,124,780,342.82/847,852.71
  6. Step 6: Final answer
    x = 642,947.50

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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.