Home / 849,547.50-1,274,518.35-288,582.54

Finding the Fourth Proportional to 849,547.50, 1,274,518.35 and 288,582.54

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Solution

The fourth proportional to 849,547.50, 1,274,518.35 and 288,582.54 is: 432,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,547.50 : 1,274,518.35 = 288,582.54 : x
  2. Step 2: Convert to fraction form
    849,547.50/1,274,518.35 = 288,582.54/x
  3. Step 3: Cross multiply
    849,547.50x = 1,274,518.35 × 288,582.54
  4. Step 4: Simplify right side
    849,547.50x = 367,803,742,719.61
  5. Step 5: Solve for x
    x = 367,803,742,719.61/849,547.50
  6. Step 6: Final answer
    x = 432,940.76

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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.