Home / 914,913.90-1,371,386.70-346,075.20

Finding the Fourth Proportional to 914,913.90, 1,371,386.70 and 346,075.20

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Solution

The fourth proportional to 914,913.90, 1,371,386.70 and 346,075.20 is: 518,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,913.90 : 1,371,386.70 = 346,075.20 : x
  2. Step 2: Convert to fraction form
    914,913.90/1,371,386.70 = 346,075.20/x
  3. Step 3: Cross multiply
    914,913.90x = 1,371,386.70 × 346,075.20
  4. Step 4: Simplify right side
    914,913.90x = 474,602,926,479.84
  5. Step 5: Solve for x
    x = 474,602,926,479.84/914,913.90
  6. Step 6: Final answer
    x = 518,740.54

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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.