Home / 875,394.95-1,208,045.03-472,986.95

Finding the Fourth Proportional to 875,394.95, 1,208,045.03 and 472,986.95

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Solution

The fourth proportional to 875,394.95, 1,208,045.03 and 472,986.95 is: 652,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,394.95 : 1,208,045.03 = 472,986.95 : x
  2. Step 2: Convert to fraction form
    875,394.95/1,208,045.03 = 472,986.95/x
  3. Step 3: Cross multiply
    875,394.95x = 1,208,045.03 × 472,986.95
  4. Step 4: Simplify right side
    875,394.95x = 571,389,525,797.20
  5. Step 5: Solve for x
    x = 571,389,525,797.20/875,394.95
  6. Step 6: Final answer
    x = 652,721.98

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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.