Home / 832,547.48-1,248,315.42-326,502.20

Finding the Fourth Proportional to 832,547.48, 1,248,315.42 and 326,502.20

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Solution

The fourth proportional to 832,547.48, 1,248,315.42 and 326,502.20 is: 489,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,547.48 : 1,248,315.42 = 326,502.20 : x
  2. Step 2: Convert to fraction form
    832,547.48/1,248,315.42 = 326,502.20/x
  3. Step 3: Cross multiply
    832,547.48x = 1,248,315.42 × 326,502.20
  4. Step 4: Simplify right side
    832,547.48x = 407,577,730,923.92
  5. Step 5: Solve for x
    x = 407,577,730,923.92/832,547.48
  6. Step 6: Final answer
    x = 489,554.94

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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.