Home / 913,935.93-1,261,302.60-506,075.72

Finding the Fourth Proportional to 913,935.93, 1,261,302.60 and 506,075.72

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Solution

The fourth proportional to 913,935.93, 1,261,302.60 and 506,075.72 is: 698,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,935.93 : 1,261,302.60 = 506,075.72 : x
  2. Step 2: Convert to fraction form
    913,935.93/1,261,302.60 = 506,075.72/x
  3. Step 3: Cross multiply
    913,935.93x = 1,261,302.60 × 506,075.72
  4. Step 4: Simplify right side
    913,935.93x = 638,314,625,531.40
  5. Step 5: Solve for x
    x = 638,314,625,531.40/913,935.93
  6. Step 6: Final answer
    x = 698,423.82

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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.