Home / 977,118.48-1,465,625.88-312,270.48

Finding the Fourth Proportional to 977,118.48, 1,465,625.88 and 312,270.48

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Solution

The fourth proportional to 977,118.48, 1,465,625.88 and 312,270.48 is: 468,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,118.48 : 1,465,625.88 = 312,270.48 : x
  2. Step 2: Convert to fraction form
    977,118.48/1,465,625.88 = 312,270.48/x
  3. Step 3: Cross multiply
    977,118.48x = 1,465,625.88 × 312,270.48
  4. Step 4: Simplify right side
    977,118.48x = 457,671,697,048.02
  5. Step 5: Solve for x
    x = 457,671,697,048.02/977,118.48
  6. Step 6: Final answer
    x = 468,389.15

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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.