Home / 913,307.95-1,260,333.93-505,426.98

Finding the Fourth Proportional to 913,307.95, 1,260,333.93 and 505,426.98

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Solution

The fourth proportional to 913,307.95, 1,260,333.93 and 505,426.98 is: 697,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,307.95 : 1,260,333.93 = 505,426.98 : x
  2. Step 2: Convert to fraction form
    913,307.95/1,260,333.93 = 505,426.98/x
  3. Step 3: Cross multiply
    913,307.95x = 1,260,333.93 × 505,426.98
  4. Step 4: Simplify right side
    913,307.95x = 637,006,772,031.43
  5. Step 5: Solve for x
    x = 637,006,772,031.43/913,307.95
  6. Step 6: Final answer
    x = 697,472.05

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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.